For the Inventor, By the Inventor

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Kagoshima, Japan

Ohkuchi Materials Co., Ltd.

USPTO Granted Patents = 18

Forward Citations = 11

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13 inventors (with patents filed for the assignee):

Kaoru Hishiki (12 out of 15 patents)

Keiichi Otaki (7 out of 7 patents)

Kotaro Tomeoka (7 out of 7 patents)

4. Hidehiko Sasaki (7 out of 7 patents)

5. Ichinori Iidani (4 out of 5 patents)

6. Shunichi Kidoguchi (1 out of 1 patent)

7. Ryouichi Yoshimoto (1 out of 1 patent)

8. Masaki Yamaguchi (1 out of 1 patent)

9. Jun Fukuzaki (1 out of 2 patents)

10. Kazunori Iitani (1 out of 1 patent)

11. Satoshi Kubota (1 out of 1 patent)

12. Ryuuji Ookawauchi (1 out of 1 patent)

13. Shigeru Hosomomi (1 out of 3 patents)

18 patents: Sort by Forward Citations

1. 11404286 - Lead frame (2022-08-02),

2. 11062983 - Substrate for mounting semiconductor element (2021-07-13),

3. 10903150 - Lead frame (2021-01-26),

4. 10886206 - Lead frame, resin-equipped lead frame, optical semiconductor device, and method for manufacturing lead frame (2021-01-05),

5. 10847451 - Device for mounting semiconductor element, lead frame, and substrate for mounting semiconductor element (2020-11-24),

6. 10811346 - Lead frame (2020-10-20),

7. 10777492 - Substrate for mounting semiconductor element (2020-09-15),

8. 10763202 - Multi-row wiring member for semiconductor device and method for manufacturing the same (2020-09-01),

9. 10763196 - Lead frame (2020-09-01),

10. 10727171 - Lead frame (2020-07-28),

11. 10622286 - Lead frame and method for manufacturing the same (2020-04-14),

12. 10453782 - Multi-row wiring member for semiconductor device and method for manufacturing the same (2019-10-22),

13. 10312187 - Multi-row wiring member for semiconductor device and method for manufacturing the same (2019-06-04),

14. 10305007 - Multi-row LED wiring member and method for manufacturing the same (2019-05-28),

15. 10304760 - Lead frame and method for manufacturing the same (2019-05-28),

OHKUCHI MATERIALS CO., LTD. is a leading provider of high-quality materials and components for various industries. With years of experience and expertise, we specialize in the production and supply of advanced materials such as metals, alloys, and composites. Our products are widely used in automotive, aerospace, electronics, and other sectors where superior performance and reliability are crucial. We are committed to delivering excellent customer service and ensuring the highest standards of quality in all our offerings. Visit our website to learn more about our products and capabilities.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

18 Patents

#5 in Kagoshima

#3,052 in Japan

#33,147 in the World

Kagoshima, Japan

Ohkuchi Materials Co., Ltd.

Forward Citations = 11

13 inventors:

Kaoru Hishiki (12 out of 15 patents)

Keiichi Otaki (7 out of 7 patents)

Kotaro Tomeoka (7 out of 7 patents)

4. Hidehiko Sasaki (7 out of 7 patents)

5. Ichinori Iidani (4 out of 5 patents)

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