| 1910 |
Kinu River Hydroelectric Co., Ltd. established, capital of 13.5 million yen. Tsurumatsu Toshi Mitsu appointed as President |
| 1910-10-01 |
Kinugawa Hydroelectric Power Co., Ltd. established with capital of 13.5 million yen. Rikou Tsurumatsu appointed as president and director. |
| 1923-05-01 |
Odawara Express Railway Co., Ltd. established, capital of 13.5 million yen. Tsurumatsu Toshi Mitsu appointed as President |
| 1923-05-01 |
Founded as Odawara Express Railway Co., Ltd. with capital of 13.5 million yen. Rikou Tsurumatsu appointed as president and director. |
| 1923-05 |
Founded as Odawara Kyorin Railway Co., Ltd. |
| 1927-04-01 |
Odawara Line (Shinjuku to Odawara) operation started. Partially single-track with 38 stations |
| 1927-04-01 |
Odawara Line (Shinjuku–Odawara) commenced operations. |
| 1927-04-01 |
The Odawara Line connecting Shinjuku and Odawara opened. |
| 1929-04-01 |
Enoshima Line (Ono to Katase-Enoshima) operation started. Entire line double-track with 13 stations |
| 1929-04-01 |
Enoshima Line (Ono–Katsuse Enoshima) commenced operations. |
| 1929-04 |
The Enoshima Line (Ōno to Katase-Enoshima) opened. |
| 1929-04-01 |
Enoshima Line (Ono to Katase-Enoshima section) began operations. The entire line is double-tracked with 13 stations, including the opening of Tamagawa Gakuenmae Station. |
| 1933-08-01 |
Teito Electric Railway Line (Shibuya to Inokashira Park) operation started |
| 1934-04-01 |
Umegaoka Station opened |
| 1935-06-01 |
Weekend Hot Spring Express operation started. Non-stop service between Shinjuku and Odawara |
| 1938-03-01 |
Sagamihara [currently Odakyu Sagamihara] Station opened |
| 1939-04-01 |
Due to national management of electric power, all generated power supplied to Japan Transmission Co., Ltd.: Power for distribution supplied by the same company |
| 1940-05-01 |
Merged with Teito Electric Railway Co., Ltd., capital of 42.8 million yen |
| 1940-05 |
Merged with Teito Electric Railway Co., Ltd. |
| 1941-03-01 |
Merged with Kinu River Hydroelectric Co., Ltd., renamed Odakyu Electric Railway Co., Ltd. Capital of 87.8 million yen |
| 1941-03-01 |
Merged with Kinugawa Hydroelectric Power Co., Ltd. and renamed Odakyu Electric Railway Co., Ltd. |
| 1941-03 |
Merged with parent company Kinugawa Hydropower Electric Co., Ltd. and renamed Odakyu Electric Railway Co., Ltd. |
| 1942-05-01 |
Merged with Keihin Electric Railway Co., Ltd. to form Tokyo Yokohama Electric Railway Co., Ltd., renamed Tokyu Corporation. Capital of 248 million yen |
| 1942-05-01 |
Merged with Keihin Electric Railway Co., Ltd. into Tokyo Yokohama Railway Co., Ltd., and renamed Tokyo Kyuko Railway Co., Ltd. |
| 1942-05 |
Merged with Keihin Electric Railway Co., Ltd. into Tokyo Yokohama Railway Co., Ltd. and renamed Tokyo Kyuko Railway Co., Ltd. |
| 1942-05-01 |
Merged with Keihin Electric Railway Co., Ltd. into Tokyo Yokohama Electric Railway Co., Ltd., renamed Tokyo Kyuko Electric Railway Co., Ltd. Capital 248 million yen. Keita Gotomo appointed as president and director (May 23). |
| 1943-03-28 |
Ebina Kokufu Station discontinued. |
| 1944-02-24 |
Vice President and Director Shinobara Sanzenro appointed as president and director. |
| 1944-05-01 |
Merged with Keio Electric Railway Co., Ltd., integrating private railways in southwestern Tokyo. |
| 1944-05 |
Keio Electric Railway Co., Ltd. was merged, and private railways in southwestern Tokyo were integrated. |
| 1944-05-28 |
Merged with Keio Electric Railway Co., Ltd., consolidating private railways in western Tokyo |
| 1945-03-12 |
Vice President and Director Takashi Hiyama appointed as president and director. |
| 1946-03-01 |
Director Kobayashi Naka appointed as president and director. |
| 1947-10-16 |
Masahiro Iida appointed as president and director. |
| 1948-06-01 |
Odakyu Electric Railway Co., Ltd. established with capital of 100 million yen. |
| 1948-06-01 |
Separated from Tokyo Kyuko Railway Co., Ltd. and established as the new Odakyu Electric Railway Co., Ltd. |
| 1948-06 |
It separated from Tokyo Kyuko Railway Co., Ltd. and was established as the new Odakyu Electric Railway Co., Ltd. |
| 1948-10-01 |
Commenced weekend non-stop express service between Shinjuku and Odawara. |
| 1948-10 |
Weekend express service between Shinjuku and Odawara without stops was started. |
| 1948-10-16 |
After reconstruction, the non-stop express service between Shinjuku and Odawara resumed. Special express fare established. |
| 1948-12-24 |
Ando Naruo appointed as president and director. |
| 1949-02-16 |
Operations Control Center established in Keido. |
| 1950-03-10 |
Hakone Tourist Ship Co., Ltd. established. |
| 1950-08-01 |
Achieved through service on the Hakone Tozan Line. Direct operation between Shinjuku and Hakone-Yumoto commenced. |
| 1950-08-01 |
Achieved through service on the Hakone Tozan Line. |
| 1950-08 |
Access to the Hakone Tozan Line was realized. |
| 1951-02-01 |
Express train 1700 series put into service. The name Romancecar became established. |
| 1952 |
Following the introduction of admission fees at Mukogawa Amusement Park, we actively improved and expanded park facilities, including opening the Rose Garden. |
| 1952-04-01 |
Keida Station opened. |
| 1953-04-01 |
Enoshima Kamakura Tourism Co., Ltd. (now Enoshima Electric Railway Co., Ltd.) added as affiliated company. |
| 1954-08-11 |
First Kaldan train 2200 series put into service. |
| 1955 |
Construction and sale of residential properties increased dramatically. |
| 1955-03-28 |
International Tourism Co., Ltd. (now Odakyu Resorts Co., Ltd.) added as affiliated company. |
| 1957-02-12 |
Oyama Tourist Railway Co., Ltd. added as affiliated company. |
| 1957-07-01 |
Express train 'Romancecar SE' entered service. |
| 1957-07 |
The express train 'Romancecar SE' was introduced. |
| 1957-07-06 |
The express train 'Romancecar SE' entered service (July 1957). |
| 1958-05-23 |
Muko-oka Amusement Park 'Barayen' opened. |
| 1959-04-02 |
Hakone Ropeway Co., Ltd. established. |
| 1960 |
The Hakone Ropeway opened, completing the Hakone Golden Course. |
| 1960-01-20 |
Commuter train 2400 series (HE car) put into service. |
| 1960-09-01 |
Hakone tour route 'Hakone Golden Course' opened. |
| 1960-09 |
The Hakone Golden Course was opened. |
| 1960-09-07 |
The Hakone tour route 'Hakone Golden Course' opened (September 1960). |
| 1961-06-01 |
Odakyu Department Store Co., Ltd. established. |
| 1962-10-19 |
Ono factory completed (Kedou and Aobadai factories discontinued) |
| 1962-11 |
Odakyu Department Store opened. |
| 1963-03-16 |
Romancecar NSE (3100 series) put into service |
| 1964-02 |
Shinjuku Station was restructured into a multi-level complex. |
| 1964-02-17 |
Shinjuku Station renovation completed, giving rise to two-layered above- and below-ground platforms. |
| 1964-02-17 |
Shinjuku Station renovation completed, giving rise to two-layered above- and below-ground platforms. |
| 1966-04-01 |
Commenced use of train radio on express cars |
| 1967-11-21 |
Shinjuku West Exit station building completed |
| 1968-03-01 |
Ono power supply station (now Electrical Command Center) newly established. Centralized control of all substations commenced. |
| 1969-05-23 |
Director Narao Ando became Chairman of the Board, Executive Director Moto Okada became President |
| 1971-04-16 |
Add Tokai Automobile Co., Ltd. as a related company |
| 1972-03-15 |
9000 series commuter cars put into service |
| 1973-05 |
Installed safety devices at all level crossings (four types of level crossings abolished) |
| 1974-04-16 |
Commenced use of train radio on all trains |
| 1974-06-01 |
Tama Line (Shin-Yurigaoka–Odakyu Enjiyama) commenced operations. |
| 1974-06 |
The Tama Line opened. |
| 1975-04-23 |
Tama Line extension (between Odakyu Enjiyama and Odakyu Tama Center). Odakyu Tama Center station opened |
| 1976-01 |
PC-based Macarugi implementation completed on all lines |
| 1977-03-28 |
Continuous grade separation works near Hon-Atsugi Station completed |
| 1978-03-01 |
Commencement of through service operation with the Metropolitan Intercity Railway Chiyoda Line. |
| 1978-03 |
Inter-running service with the Metropolitan Intercity Railway (now Tokyo Metro) Chiyoda Line was started. |
| 1978-03-28 |
Tokyo Metro Chiyoda Line and Hon-Atsugi to Ayase-ma began through service operation |
| 1979-02-27 |
Introduced online system (SR) for seat reservation and sales of Romancecar and express bus |
| 1980-02-05 |
Completed siliconization of rectifiers at all substations |
| 1981-06-24 |
Chairman Narao Ando became Honorary Chairman, President Moto Okada became Chairman, Executive Director Toshimitsu Tashiro became President |
| 1982-03-20 |
Hon-Atsugi Mirod opened |
| 1983-03-22 |
8000 series commuter cars put into service |
| 1984-03-21 |
Discontinued small luggage service |
| 1985-03-14 |
Opening of Kaisei Station |
| 1986-07-18 |
Establishment of Odakyu Women's Volleyball Club |
| 1987-03-06 |
Completion of the OTC-operated driving command center [now Transportation Command Center] |
| 1988-03-22 |
First all-stainless commuter train 1000 series in service |
| 1989-03-27 |
100% air-conditioned trains |
| 1990-02-15 |
Establishment of Odakyu Cap Agency Co., Ltd. [now Odakyu Agency Co., Ltd.] |
| 1991-01-16 |
First introduction of automatic ticket gates at Shinjuku, Yurigaoka, and Aikō-Ishida stations |
| 1991-03-01 |
Commencement of through service operation between the JR Tokai Gotemba Line and the Shinjuku–Numazu section. |
| 1991-03 |
Inter-running service with JR Central between Shinjuku and Numazu was started, opening a new route to Nishiizu. |
| 1992-03-08 |
Retirement of Romancecar SE |
| 1993-01 |
Fleet exceeds 1,000 cars |
| 1993-04-01 |
Introduction of large-scale track maintenance machinery "Ballast Sweeper" |
| 1993-05-01 |
All stations become non-smoking throughout the day. Smoking corners installed |
| 1993-09-20 |
Introduction of large-scale track maintenance machinery "Multiple Tamping Machine" |
| 1993-11-04 |
Opening of the new building of Hon-Atsugi Mylord |
| 1999-01 |
The first railway industry foreign traveler information center, 'Odakyu Foreign Traveler Center', was opened at Shinjuku Station. |
| 2004-01 |
Odakyu Hakone Holdings Co., Ltd. was established. |
| 2005-01 |
The Romancecar VSE (50000 series) debuted. |
| 2005-03-19 |
Deployment of the Romancecar VSE (50000 series). |
| 2010-01 |
The 'Odakyu Foreign Traveler Center' was opened at Odawara Station. |
| 2018-03 |
Double-tracking was completed. |
| 2018-03-16 |
Start of operations using a new timetable following the completion of the double-track line. |
| 2018-03-17 |
Deployment of the Romancecar GSE (70000 series). |
| 2019-01-07 |
Decision to issue green bonds (unsecured corporate bonds for individuals). |
| 2020-02-07 |
Start of sports co-creation strategy "OSEC100" |
| 2021-01 |
The management vision 'UPDATE Odakyu – Toward a Regional Value-Creating Company' was formulated. |
| 2021-04-19 |
Opening of the Romancecar Museum. |
| 2022-01-01 |
Establishment of Odakyu Highway Bus Co., Ltd. |
| 2022-03-11 |
Termination of regular operation of the Romancecar VSE (50000 series). |
| 2023-01-19 |
Conclusion of comprehensive cooperation agreement with Kurayoshi City |
| 2024-02-05 |
Opening of the fitness gym '4H fitness Komae'. |
| 2024-04-01 |
Reorganization of the Odakyu Hakone Group and the full transfer of shares of UDS Corporation. |
| 2025-01-21 |
Membership in the United Nations Global Compact (UNGC). |
| 2025-02-19 |
Sagamihara City University and three Odakyu Group companies conclude a comprehensive cooperation agreement to enhance regional value in Sagamihara area and along Odakyu Line |
| 2025-04-01 |
Opening of the mixed-use facility 'Odakyu Marche Chuo Rinkan'. |
| 2025-04-15 |
Start operation of car No. 3 of Romancecar as a child-rearing support vehicle |
| 2025-04-16 |
Open "HOME/WORK VILLAGE" utilizing the site of Setagaya Ward Ikegami Junior High School |
| 2025-05-13 |
Received the "Best Award" in the corporate culture transformation category at the Career Ownership Business Award 2025 |
| 2025-05-28 |
Joint investment in the tallest office building in Sydney, Australia, "180 George Street" |
| 2025-07-24 |
Grand opening of "HOME/WORK VILLAGE" utilizing the site of Setagaya City Ikegami Junior High School |
| 2025-08-01 |
Introduction of polo shirts for summer uniforms for station staff |
| 2025-10-01 |
Release of the second corporate message video commercial |
| 2025-11-17 |
Decided on the concept of the new Romancecar vehicle scheduled to be commissioned in March 2029, "Sparkle Run, Romancecar" |
| 2025-11-27 |
Operation of "Red 1000 Series Vehicles" on the Hakone Tozan Line |
| 2025-11-28 |
Start using LUNA SEA's "ROSE" and "I for You" in the train approaching melody at Hadano Station |
| 2025-12-15 |
Opening of "RETONA HAKONE," a hotel specializing in dogs |
| 2026-01-24 |
Commencement of use of the second-floor ticket gate at Fujisawa Station. |
| 2026-01-24 |
Start using the second-floor ticket gate (overpass station building) at Fujisawa Station |
| 2026-02-20 |
Selected for Human Capital Management Quality 2025 (Silver). |
| 2026-02-20 |
Selected as Human Capital Management Quality 2025 (Silver) |
| 2026-02-25 |
Opening of "goodroom residence Zama Hoshinotani Danchi" |
| 2026-03-19 |
Start of exhibition of the Romancecar VSE (50000 series) at the Romancecar Museum. |
| 2026-03-19 |
Exhibition of Romancecar VSE (50000 series) at the Romancecar Museum |
| 2026-03-25 |
Commencement of mutual use of contactless payments (e.g., credit cards) on lines of 11 railway operators in the Kanto area. |
| 2026-03-28 |
Signing of a comprehensive cooperation agreement with Tokai University. |
| 2026-03-28 |
Implementation of a uniform fare of 50 yen per ride for pediatric IC on Enoden Bus. |
