Growing community of inventors

late of Higashi-Nada, Japan

Tsuyoshi Matsumoto, Deceased

Average Co-Inventor Count = 8.00

ph-index = 1

The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.

Forward Citations = 0

Tsuyoshi Matsumoto, Deceased ↔ Masamitu Tamura (1 patent)Tsuyoshi Matsumoto, Deceased ↔ Shigeharu Nakamura (1 patent)Tsuyoshi Matsumoto, Deceased ↔ Takeshi Kobori (1 patent)Tsuyoshi Matsumoto, Deceased ↔ Shigeki Kimura (1 patent)Tsuyoshi Matsumoto, Deceased ↔ Kazuhide Takaishi (1 patent)Tsuyoshi Matsumoto, Deceased ↔ Mituru Uemura (1 patent)Tsuyoshi Matsumoto, Deceased ↔ Tadashi Ito (1 patent)Tsuyoshi Matsumoto, DeceasedTsuyoshi Matsumoto, Deceased (1 patent)Masamitu TamuraMasamitu Tamura (4 patents)Shigeharu NakamuraShigeharu Nakamura (3 patents)Takeshi KoboriTakeshi Kobori (2 patents)Shigeki KimuraShigeki Kimura (2 patents)Kazuhide TakaishiKazuhide Takaishi (1 patent)Mituru UemuraMituru Uemura (1 patent)Tadashi ItoTadashi Ito (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Nihon Kousakuyu Co., Ltd. (1 from 2 patents)


1 patent:

1. 4755309 - Cold working lubricant for metallic conduits

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as of
12/20/2025
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