Growing community of inventors

Zama, Japan

Tatsuhiko Matsui

Average Co-Inventor Count = 3.43

ph-index = 3

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 = 30

Tatsuhiko MatsuiHiroyuki Aida (3 patents)Tatsuhiko MatsuiAkira Watanabe (2 patents)Tatsuhiko MatsuiTomoyoshi Ohnuki (1 patent)Tatsuhiko MatsuiYasumasa Okada (1 patent)Tatsuhiko MatsuiMinoru Shimatsu (1 patent)Tatsuhiko MatsuiMiyoshi Masakazu (1 patent)Tatsuhiko MatsuiTsuneyoshi Oohazama (1 patent)Tatsuhiko MatsuiTatsuhiko Matsui (4 patents)Hiroyuki AidaHiroyuki Aida (4 patents)Akira WatanabeAkira Watanabe (59 patents)Tomoyoshi OhnukiTomoyoshi Ohnuki (6 patents)Yasumasa OkadaYasumasa Okada (3 patents)Minoru ShimatsuMinoru Shimatsu (2 patents)Miyoshi MasakazuMiyoshi Masakazu (1 patent)Tsuneyoshi OohazamaTsuneyoshi Oohazama (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Nissan Motor Company Limited (4 from 13,402 patents)

2. Kato Hatsujo Kaisha, Ltd. (3 from 47 patents)


4 patents:

1. 4588220 - Structure for removably mounting support rod for openable closure member

2. 4586579 - Structure for removably mounting support rod for hood for motor vehicle

3. 4489967 - Structure for removably mounting support rod for openable closure member

4. 4419789 - Torsion hinge

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as of
12/21/2025
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