Company Overview & Access

Company Overview

Company Name Ishizaka Inc.
Representative Noriko Ishizaka, President
Profile of the President
Head Office & Factory
Photovoltaic Recycling Plant
1589-2 Kamitome, Miyoshi-machi, Iruma-gun, Saitama 354-0045, Japan
4-11-1 Sayamadai, Iruma-shi, Saitama 358-0033, Japan
Founded July 24th, 1967
Established September 3rd, 1971
Capital ¥50,000,000
Sales ¥7.39 billion (Fiscal Year ended August 2025)
Employees Approximately 230 employees (as of October 2025)
Banking Partners Sumitomo Mitsui Banking Corporation, Gunma Bank, Ltd., Japan Finance Corporation, Shoko Chukin Bank, Ltd., Mizuho Bank, Ltd., MUFG Bank, Ltd.
Memberships The Japan Society of Civil Engineers, The Japan Geotechnical Society, Saitama Prefecture Environmental Industry Promotion Association, Japan RPF Industry Association, Kanto Wood Resource Recycling Association, Glass Recycling Council, Japan Plastics Industry Federation, Japan Business Federation, and others
Business Overview
  1. Intermediate Treatment of Industrial Waste Business (Registered as a Recycling Operator)
  2. Collection, Transportation, and Temporary Storage Permits
  3. Recycled Products Sales Business (Recycled Sand, Crushed Stone, Wood Chips, etc.)
  4. Secondhand Dealer
  5. Environmental Education Business
  6. Consulting Business for Designing Circular Systems
Industrial Waste Disposal Permit
(Certified Excellent Industrial Waste Disposal Operator)
Saitama Prefecture No. 01120007368
Facility Permit 【Permit Number】
Industrial Waste Intermediate Treatment Business, Permit No. 01120007368, Registered Recycling Operator, Saitama Prefecture No. II-4
【Permitted Items】
Factory: Waste Plastics, Wood Waste, Textile Waste, Metal Scraps, Glass Scraps, Concrete, and Ceramics Waste, Rubble, Paper Waste
Photovoltaic Recycling Plant: Waste Plastics, Metal Scraps, Glass Scraps, Concrete Debris (excluding Rubble), Ceramic Waste (all limited to waste solar panels)
【Development Permit】
Article 29 of the City Planning Act, Article 51 of the Building Standards Act, Article 14, 15, 20 of the Waste Management Act

Permit for Collection and Transportation Business

  • Saitama Prefecture Collection and Transportation Permit No. 01110007368
  • Tokyo Metropolitan Collection and Transportation Permit No. 13-00-007368
  • Chiba Prefecture Collection and Transportation Permit No. 01200007368
  • Kanagawa Prefecture Collection and Transportation Permit No. 01402007368
  • Yamanashi Prefecture Collection and Transportation Permit No. 01900007368
  • Niigata Prefecture Collection and Transportation Permit No. 01509007368
  • Gunma Prefecture Collection and Transportation Permit No. 01000007368
  • Tochigi Prefecture Collection and Transportation Permit No. 00900007368
  • Fukushima Prefecture Collection and Transportation Permit No. 00707007368
  • Nagano Prefecture Collection and Transportation Permit No. 02009007368
  • Shiga Prefecture Collection and Transportation Permit No. 02501007368
  • Hyogo Prefecture Collection and Transportation Permit No. 02803007368
  • Mie Prefecture Collection and Transportation Permit No. 02400007368
  • Akita Prefecture Collection and Transportation Permit No. 00504007368
  • Hiroshima Prefecture Collection and Transportation Permit No. 03400007368
  • Gifu Prefecture Collection and Transportation Permit No. 02100007368
  • Miyagi Prefecture Collection and Transportation Permit No. 00400007368
  • Aichi Prefecture Collection and Transportation Permit No. 02300007368
  • Toyama Prefecture Collection and Transportation Permit No. 01602007368
  • Shizuoka Prefecture Collection and Transportation Permit No. 02201007368
  • Ibaraki Prefecture Collection and Transportation Permit No. 00801007368

Access

Ishizaka Inc.
1589-2 Kamitome, Miyoshi-machi, Iruma-gun, Saitama
Main Phone Number
TEL:049-259-5800
Waste Consultation Desk (Sales Department)
TEL:049-259-1177
Santome Konjakumura Inquiry Desk
TEL:049-259-6565
Ishizaka Organic Farm Inquiry Desk
TEL:049-293-2335

By Car

From the Kan-etsu Expressway “Miyoshi Smart Interchange” (all vehicles equipped with an ETC device under 12 meters in length are allowed), head toward Tokorozawa on Tamonin Street, then take the Prefectural Route Tokorozawa-Horikane-Sayama (turn right at the traffic light at the entrance of Tomioka Elementary School). The destination is approximately 10 minutes from there.
* For car navigation, search for ‘1589-2 Kamitome, Miyoshi Town’ or ‘049-259-1177’.

For Waste Delivery

The area around our company has many school routes and residential neighborhoods. To ensure local safety and protect the environment, please use Tokorozawa-Horikane-Sayama Route.

By Train

Approximately 15 minutes by car from Tobu Tojo Line “Fujimino Station”.
Approximately 15 minutes by car from Seibu Shinjuku Line “Shin-Tokorozawa Station”.

By Bus from the Station

When Using the Complimentary Shuttle Bus

You can use the shuttle bus from Fujimino Station. For more details, please check the access page of Santome Konjakumura.

When Using Public Transportation (Bus)

From Shin-Tokorozawa Station, take the Tokoro Wagon (8-passenger capacity) Tamon-in Route and get off at “Shimo-Tomi Kasumigadai” stop.
For more details, please check the Tokorozawa City website.

Parking Information

If you are coming by car, please use Ishizaka Inc.’s Customer Parking Lot (across from the headquarters building), in the customer-designated spaces No. 1–6.
*Please refrain from parking trucks.

Facility Tour and Training Program

We offer factory tours throughout the year that are open to all visitors.Our programs include tours designed for adults, family-friendly tours for parents and children, as well as tours tailored for companies and organizations.We provide customized courses based on your needs, including the theme, budget, and available time.

Contact Us

For inquiries regarding industrial waste acceptance, media interview requests, or consultations about collaboration and partnerships, please contact us here.