% Expired Patents = 33.3

EPO Patents = 3

Trademarks = 10

Forward Citations = 27

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18 inventors (with patents filed for the assignee):

Toshirou Kisakibaru (3 out of 3 patents)

Makoto Okada (2 out of 10 patents)

Seiichi Takizawa (2 out of 2 patents)

4. Michinori Hashimoto (1 out of 7 patents)

5. Motosuke Suzuki (1 out of 1 patent)

6. Toshiro Kisakibaru (1 out of 11 patents)

7. Sadao Kobayashi (1 out of 32 patents)

8. Yoshihide Wakayama (1 out of 18 patents)

9. Shigeru Kouchiyama (1 out of 1 patent)

10. Kouta Ueno (1 out of 2 patents)

11. Yasunori Horibe (1 out of 1 patent)

12. Satoki Sugiyama (1 out of 1 patent)

13. Takeshi Yamada (1 out of 1 patent)

14. Keiji Matsuno (1 out of 1 patent)

15. Tsutomu Ishii (1 out of 4 patents)

6 patents: Sort by Forward Citations

1. 10508261 - Cultured algae water concentration system, method for operating cultured algae water concentration system, and method for concentrating algae water containing cultured algae (2019-12-17),

2. 7850366 - Sheet for shielding soft X-rays in a remover using soft X-rays that removes static charges and a method of manufacturing it (2010-12-14),

3. 7416998 - Air-curtain forming apparatus for wafer hermetic container in semiconductor-fabrication equipment of minienvironment system (2008-08-26),

4. 7335244 - Air-purifying device for a front-opening unified pod (2008-02-26),

5. 6929672 - Filter medium for air filter and process for producing the same (2005-08-16),

6. 5830414 - Air cleaning filter (1998-11-03),

Company Overview

Kondoh Industries, Ltd. is a leading manufacturer of precision components for the aerospace and automotive industries. With over 50 years of experience, we specialize in producing high-quality parts that meet the strict standards of our customers. Our state-of-the-art facilities and skilled workforce ensure that we deliver reliable and innovative solutions for our clients worldwide.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

6 Patents

#2,468 in Tokyo

#5,988 in Japan

Tokyo, Japan

Kondoh Industries, Ltd.

Forward Citations = 27

18 inventors:

Toshirou Kisakibaru (3 out of 3 patents)

Makoto Okada (2 out of 10 patents)

Seiichi Takizawa (2 out of 2 patents)

4. Michinori Hashimoto (1 out of 7 patents)

5. Motosuke Suzuki (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Kondoh Industries, Ltd.. Retrieved from https://idiyas.com/company/kondoh-industries

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]

3 patents (EPO):

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]