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Forward Citations = 30

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21 inventors (with patents filed for the assignee):

Naoyoshi Akiyoshi (3 out of 3 patents)

Masao Ushio (2 out of 2 patents)

Masayuki Hashimura (1 out of 28 patents)

4. Naoto Ogasawara (1 out of 5 patents)

5. Masao Nakayama (1 out of 4 patents)

6. Takao Kasai (1 out of 8 patents)

7. Sakae Katayama (1 out of 3 patents)

8. Tetsuo Sawashima (1 out of 1 patent)

9. Hiroto Imamura (1 out of 3 patents)

10. Fukuhisa Matusda (1 out of 1 patent)

11. Kiyoyuki Hasegawa (1 out of 1 patent)

12. Katsuyoshi Akabane (1 out of 1 patent)

13. Takashi Matsuno (1 out of 1 patent)

14. Takeo Hamada (1 out of 1 patent)

15. Hiroyuki Yamabe (1 out of 1 patent)

6 patents: Sort by Forward Citations

1. 5905938 - Method of manufacturing a semiconductor substrate material (1999-05-18),

2. 5889220 - Copper-tungsten alloys and their manufacturing methods (1999-03-30),

3. 5689796 - Method of manufacturing molded copper-chromium family metal alloy article (1997-11-18),

4. 5512240 - Tungsten electrode material (1996-04-30),

5. 5123934 - Ceramics coated cemented-carbide tool with high-fracture resistance (1992-06-23),

6. 4882519 - Discharge electrode material composed of yttrium and rhenium or ruthenium (1989-11-21),

Toho Kinzoku Co., Ltd. is a Japanese company specializing in the production of precision metal components. With a history of over 70 years, Toho Kinzoku is known for its high-quality products and advanced manufacturing techniques. The company serves a wide range of industries, including automotive, electronics, and medical. Toho Kinzoku is committed to innovation and continuous improvement to meet the evolving needs of its customers.

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

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USPTO Data Jan 1 1976 - Dec 30 2025

6 Patents

#563 in Osaka

#5,843 in Japan

Osaka, Japan

Toho Kinzoku Co., Ltd.