Growing community of inventors

Kawagoe, Japan

Toshihiko Matsubara, Deceased

Average Co-Inventor Count = 7.00

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 = 1

Toshihiko Matsubara, Deceased ↔ Yoshiaki Hamada (1 patent)Toshihiko Matsubara, Deceased ↔ Yasunori Murakami (1 patent)Toshihiko Matsubara, Deceased ↔ Yoshiari Takagi (1 patent)Toshihiko Matsubara, Deceased ↔ Noriyuki Deguchi (1 patent)Toshihiko Matsubara, Deceased ↔ Takeshi Hiramatsu (1 patent)Toshihiko Matsubara, Deceased ↔ Hiroko Matsubara, Legal Representative (1 patent)Toshihiko Matsubara, DeceasedToshihiko Matsubara, Deceased (1 patent)Yoshiaki HamadaYoshiaki Hamada (10 patents)Yasunori MurakamiYasunori Murakami (9 patents)Yoshiari TakagiYoshiari Takagi (4 patents)Noriyuki DeguchiNoriyuki Deguchi (2 patents)Takeshi HiramatsuTakeshi Hiramatsu (1 patent)Hiroko Matsubara, Legal RepresentativeHiroko Matsubara, Legal Representative (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Honda Giken Kogyo Kabushiki Kaisha (1 from 10,092 patents)

2. Nippon Leakless Industry Co., Ltd. (1 from 30 patents)


1 patent:

1. 7048278 - Compound sheet gasket

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12/7/2025
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