| 1987-01 |
January–November 1987: After separating from Ryunosuke Production, received the gross for the TV series "Red Light Cannon Jirion" at Tatsunoko Production's animation department. |
| 1987-01 |
The TV series 'Red Light Cannon Jirion' was spun off from Dragon's Child Production and grossed in the TatsuNoko production department. |
| 1987-12 |
December 1987: Established G.I. Tatsunoko LLC. |
| 1987-12 |
Established the animation production company G- TatsuNoko LLC. |
| 1987-12 |
Established G- TatsuNoko LLC. |
| 1990-06 |
June 1990: Established Ing Co., Ltd., whose main business is licensing. |
| 1990-06 |
Established the company Ing Inc. for planning and production. The following year, invested in the film 'Mobile Police Patlabor 2 the Movie' and launched the licensing business. |
| 1990-06 |
Established Ing Inc. with licensing business as its main operation. |
| 1990-06 |
Established Ing Co., Ltd. for planning and production. |
| 1993-09 |
September 1993: Renamed to G.I. Production LLC and began investing in works with "Mobile Police Patrolman 2 the Movie". |
| 1993-09 |
Name changed to Limited Company Production IG: Started investing in the project "Mobile Police Patrolman 2 the Movie". |
| 1995-05 |
May 1995: Established Givbeck Co., Ltd. |
| 1995-05 |
Established the animation production company G-Back Inc. |
| 1995-05 |
Established GIBACK Co., Ltd. |
| 1995-11 |
November 1995: The film "GHOST IN THE SHELL / Ghost in the Shell" produced by us was released in theaters. |
| 1995-11 |
The film 'Ghost in the Shell' produced by our company was released in theaters. |
| 1997-05 |
1997年5月 : 米国法人Production I.G.,LLC設立 |
| 1997-05 |
Established the U.S. subsidiary Production I.G., LLC as an overseas sales office. |
| 1997-05 |
米国法人Production I.G.,LLC設立 |
| 1998-04 |
April 1998: Capital increase and conversion from LLC to corporation (G.I. Production Co., Ltd.). |
| 1998-04 |
Raised capital and changed from LLC to Production G Inc. |
| 1998-04 |
Capital increased and converted from a limited company to a corporation (Production IG Co., Ltd.). |
| 2000-09 |
September 2000: Merged Ing Co., Ltd. and G.I. Production Co., Ltd.; the company name became G.I. Production Co., Ltd. |
| 2000-09 |
Merged Ing Inc. and Production G Inc. and adopted the name Production G Inc. |
| 2000-09 |
Merged Ing Co., Ltd. and Production IG Co., Ltd. The company name became Production IG Co., Ltd. |
| 2000-11 |
November 2000: First time acquiring original rights for the theatrical release "BLOOD THE LAST VAMPIRE" produced by us. |
| 2000-11 |
In the theatrical release "BLOOD THE LAST VAMPIRE" produced by our company, we acquired the original rights for the first time. |
| 2004-03 |
March 2004: The film "Innocence" directed by Mamoru Oshii, which we planned and produced, was released in Japanese theaters. |
| 2004-03 |
The film "Innocence" directed by Mamoru Oshii, which our company planned and produced, was released theatrically in Japan. |
| 2005-12 |
December 2005: Listed shares on the JASDAQ stock exchange. |
| 2005-12 |
Listed shares on the JASDAQ stock exchange. |
| 2007-11 |
November 2007: Changed corporate name from G.I. Production Co., Ltd. to IG Port Co., Ltd., became a holding company, and transferred most of its business to the newly established G.I. Production Co., Ltd. |
| 2007-11 |
Converted our company into a holding company and renamed it IG Port. Simultaneously, transferred the core business to the newly established Production G Inc. and made it a subsidiary along with G-Back Inc. |
| 2007-11 |
Changed the company name from Production IG Co., Ltd. to IG Port Co., Ltd., became a holding company, and transferred most of its business to the newly established company Production IG Co., Ltd. |
| 2007-11 |
Converted our company into a holding company and changed the name to IG Port. |
| 2007-11 |
Simultaneously, transferred the core business to the newly split Production IG Co., Ltd. and made it a subsidiary along with GIBACK Co., Ltd. |
| 2007-12 |
Made the comic-specialized publisher Mag Garden Inc. a subsidiary through a stock exchange. |
| 2010-09 |
September 2010: Moved headquarters to Musashino City, Tokyo. |
| 2010-09 |
Moved headquarters to Musashino City, Tokyo. |
| 2012-06 |
Established the animation production company Wit Studio Inc. as a subsidiary. |
| 2014-10 |
Established the animation production company Signal MD Inc. as a subsidiary. |
| 2017-11 |
Established Lingua Franca Inc. for content electronic distribution services. |
| 2019-04 |
Transferred G-Back Inc.'s production business to Sunrise Inc. (now Bandai Namco Filmworks). |
| 2019-06 |
June 2019: Absorbed and merged Givbeck Co., Ltd., a group company. |
| 2019-06 |
Merged G-Back Inc. into Production G Inc. |
| 2019-06 |
Absorbed and merged with group company GIBACK Co., Ltd. |
| 2022-08 |
August 2022: Mitsuhisa Ishikawa became Chairman of the Board; Joushi Wada became President. |
| 2022-08 |
Kouichi Ishikawa became Chairman of the Board; Joushi Wada became President. |
| 2024-03 |
Completed the liquidation of Lingua Franca Inc. |
| 2025-06 |
June 2025: Absorbed and merged Signal MD Co., Ltd., a group company. |
| 2025-06 |
Merged Signal MD Inc. into Production G Inc. |
| 2025-06 |
Absorbed and merged with group company Signal MD Co., Ltd. |
