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% 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),

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 based on public USPTO records.

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USPTO Data Jan 1 1976 - Oct 6 2026

6 Patents

#2,468 in Tokyo

#5,988 in Japan

Tokyo, Japan

Kondoh Industries, Ltd.