石坂産業株式会社

Started earth and sand processing business as Ishizaka-gumi

Ishizaka-gumi Co., Ltd. was established in Nerima Ward with a capital of 700,000 yen.

Started industrial waste collection, transportation, and treatment business

Capital increased to 7 million yen

The company name was changed to Ishizaka Sangyo Co., Ltd. The headquarters were relocated to 1494-19 Kamitome, Miyoshi Town.

Obtained a construction business license from the Governor of Saitama Prefecture.

市計画法第29条に基づく開発許可を取得しました。会社名を石坂株式会社に変更しました。

千葉県、神奈川県、横浜市、川崎市、横須賀市で収集・輸送・処分事業の許可を取得しました。新しい木片リサイクル工場を設立し、埼玉県から承認を得ました。

市計画法第29条に基づく開発許可を取得しました。

Established a new concrete recycling plant.

Established a new intermediate treatment facility and obtained permits for waste plastic volume reduction and crushing machines.

埼玉県建築基準法第51条第1項、市計画法第29条、廃棄物処理及び公共清掃法第14条に基づく許可を取得しました。

Obtained collection and transportation permits for 16 types of waste.

Established new sorting plant, neutralization equipment, wood chip (and others) plant, and equipment for crushing and volume reduction of waste plastics.

Registered as a waste recycling operator.

Capital increased to 40 million yen.

Capital increased to 70 million yen.

Implemented a manifest management system and a gypsum board processing system.

Introduction of an appraisal accounting system.

Introduction of a bedding chip crusher at the chip plant.

相模原市で廃棄物収集・輸送の許可を取得しました。

Noriko Ishizaka became President (without representative rights) of Ishizaka Inc.

Installation of a bag filter at the chip plant

Completion of noise barrier measures inside the factory

Introduction of low-noise heavy machinery for use inside the factory

Installation work of the volume reduction plant and acquisition of permits

Completion of the volume reduction plant

Installation of a bag filter at the volume reduction plant

Installation of a mist net spraying system at the sorting and classification plant

Completion of the model walking garden 'Kabokuen' (approx. 5,000 m²), using recycled wood chips

Conclusion of the Preliminary Consultation Agreement for Development Activities with Miyoshi Town

Signed a Green Agreement with Saitama Prefecture

Simultaneous certification of integrated management systems (ISO 14001, ISO 9001, and OHSAS 18001) — an industry first

市計画法第29条に基づく開発許可を取得しました。

Development of Kabokuen, the main garden, and the 2nd, 3rd, 4th, and 5th Kabokuen

Installation of a rainwater storage tank on the premises

Development of the 6th, 7th, and 8th Kabokuen

チップ工場建物の完成と市計画法第35条に基づく開発許可を取得しました。

市計画法第29条に基づく開発許可の適合証明を取得しました。

容積削減・分別/分類工場建物の完成しました。

Completion of the development of greenbelt and environmental control facilities from the main Kabokuen to the 22nd Kabokuen

Installation of bag filters at the volume reduction and sorting plant

貴重資材工場と製品保管場建物の完成しました。

Installation of a bag filter at the waste concrete plant

廃コンクリート工場建物の完成しました。

本社ビルおよび管理ビルの完成

建築基準法第51条の附則に基づく特別許可を取得

Obtained permission for change in the scope of industrial waste disposal business

Introduction of electric heavy machinery at the volume reduction plant

Completion of facilities compliant with Articles 14 and 15 of the Waste Management and Public Cleansing Act

Obtained ISMS ISO/IEC 27001 certification for information security management

All-Weather Recycling Plant Renovated.

Completion of the full all-weather plant renewal

来訪者歩道およびギャラリービルの完成

Landscaping of Kabokuen Fruit Park

Approval of the Formulated Management Innovation Plan (Saitama Prefecture)

First domestic credit certification in Japan for electric heavy machinery: Certified under the Domestic Credit System Emission Reduction Project (Ministry of Economy, Trade and Industry; Ministry of the Environment; Ministry of Agriculture, Forestry and Fisheries)

建物屋根に熱反射塗料を塗布

Implementation of a new core system

Obtained ISO 50001 certification for energy management

Commencement of operation of five integrated management systems (ISO 14001, ISO 9001, OASAS18001, ISO 27001, ISO 50001)

Completion of Kabokuen and the wild bird waterside pond

Installation of the Hanaki-en Walking Path “Midori no Kairō” (Green Corridor)

Launch of the Oak Woods Environmental School

Obtained “AAA” certification under the JHEP Certification System (Japan Habitat Evaluation and Certification Program) from the Ecosystem Conservation Society–Japan (ECS–Japan).

Opened the “Santome Konjyaku Kataribe-kan” (Santome Past and Present Storytelling Hall).

Integrated compressors and improved efficiency of dust collection systems

Certified as a “”Place for Nature-Based Experiences”.

Noriko Ishizaka appointed as President.

Launch of the “Santome Konjakumura Group”.

Obtained ISO 22301 Business Continuity Management certification.

Started operation of six integrated management systems (ISO 14001, ISO 9001, OASAS18001, ISO 27001, ISO 50001, ISO 22301).

Obtained ISO 29990 certification for learning services.

Topping-Out Ceremony Held for the “Oak Woods Community Plaza"

Started recruitment of new graduate students.

Groundbreaking Ceremony for the Oak Woods Community Plaza at Santome Konjakumura.

Launched the 'Ishizaka-gijuku,' public lecture series for general audiences.

Obtained the nation’s first Construction Technology Certification in the waste management industry for 'Embankment Material NS-10' made by recycling soil contained in construction-related mixed waste.

Opened the 'Oak Woods Community Plaza' at Santome Konjakumura.

Scenes from the “Living with SATOYAMA EXPO"

Ishizaka Organic Farm

Held the 'Living with SATOYAMA EXPO.'

Establishment of Ishizaka Organic Farm Inc.

Agreement Signed to Enhance and Expand the “Place for Nature-Based Experiences"

Ishizaka Inc. renewed its corporate slogan and logo.

Renewed 'AAA' certification under the JHEP Certification System (Ecosystem Conservation Society–Japan).

Celebrated the 50th anniversary of establishment.

Erected a bust of the founder, Yoshio Ishizaka.

Simultaneously obtained the international agricultural production process certification 'GLOBALG.A.P.' and the 'ASIA GAP' certification awarded to farms committed to food safety and environmental conservation.

As the secretariat of the 'Place for Nature-Based Experiences' Research Organization, Ishizaka Inc. signed an agreement with the Ministry of the Environment to enhance and expand Places for Nature-Based Experiences.

Large-Scale Lead-Acid Battery

Introduced large-scale lead-acid batteries and a geothermal heat utilization air-conditioning system.

Signed a comprehensive cooperation agreement with Miyoshi Town to promote regional revitalization and community development, establishing a five-year partnership.

Enshrinement of the 'Shiawase Shrine'.

Obtained 'Organic JAS' certification for agricultural products and processed foods from Ishizaka Organic Farm.

Held the 1st Founding Festival 'Shiawase Shrine Night Festival'.

Held the 1st Green Blue Education Forum (GBEF) Contest.

Sorting Robot 'IT-PiRo'.

Full-scale operation started for the manual sorting robot "IT-PiRo."

Joined the "RE Action: 100% Renewable Energy Declaration."

First Japanese company to sign The Climate Pledge.

Achieved 100% renewable energy usage.

55th Anniversary / Corporate Logo Renewed

Joined the “30by30 Alliance for Biodiversity”

Renewed “AAA” rating under the JHEP Certification System for the second time—the first in Japan (Japan Ecosystem Conservation Society)

Completion of the Fully Circular Bio-Toilet 'TOILETOWA'.

Grand opening of Naya Saryo MEGURU

Registered and certified as a “Saitama Prefecture SDGs Partner”

Renewal of the comprehensive cooperation agreement with Miyoshi Town to promote regional revitalization and community development.

Signed a Memorandum of Understanding (MoU) with Lahti Region, Finland, for cooperation toward a circular economy

Constructed the fully circular bio-toilet “TOILETOWA”

Renewed the symbol mark of Santome Konjakumura

Participation in the Digital Agency's “Model Use Case Demonstration Experiment for Realizing Trusted Web”

Participation in the “Circular Partners” Partnership to Promote Industry-Government-Academia Collaboration for Realizing a Circular Economy (Ministry of Economy, Trade and Industry)

Santome Konjakumura certified as a "Nature Symbiosis Site" by the Ministry of the Environment of Japan

Signed an MOU with Idea Studio Nepal for the construction of a waste recycling plant.

Updated Renewable Energy 100 Declaration RE Action

光伏リサイクルプラントの設立（埼玉県入間市）

Grand opening of Naya Yojo Meguru

入間市（埼玉県）に光伏リサイクル施設を設立し、材料の受入れを開始しました。

“Santome Konjakumura” has been certified as a”Nationally Certified Sustainably Managed Natural Sites” under the “Regional Biodiversity Promotion Act

Renewed the "Comprehensive Cooperation Agreement" with Miyoshi Town, and concluded a new “Memorandum of Understanding on the Handling of Disaster Waste in the Event of Large-Scale Earthquakes or Other Major Disasters"

Signed an agreement with Toyota Boshoku to promote the use of construction waste plastic in automotive parts.

Obtained Designation No. 0001 as an "Advanced Recycling Business" under the "Act on the Advancement of Recycling Businesses, etc., for the Promotion of Resource Circulation"

Signed a "Comprehensive Cooperation Agreement" with Waseda University, School of Human Sciences