Growing community of inventors

Tochigi, Japan

Koichi Hotta

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 = 9

Koichi Hotta ↔ Hajime Katayama (1 patent)Koichi Hotta ↔ Masafumi Nakagawa (1 patent)Koichi Hotta ↔ Shigehito Horiuchi (1 patent)Koichi Hotta ↔ Masatoshi Nishida (1 patent)Koichi Hotta ↔ Seiji Katakura (1 patent)Koichi Hotta ↔ Kuniyasu Aoki (1 patent)Koichi HottaKoichi Hotta (1 patent)Hajime KatayamaHajime Katayama (11 patents)Masafumi NakagawaMasafumi Nakagawa (8 patents)Shigehito HoriuchiShigehito Horiuchi (7 patents)Masatoshi NishidaMasatoshi Nishida (5 patents)Seiji KatakuraSeiji Katakura (5 patents)Kuniyasu AokiKuniyasu Aoki (3 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Nippon Sheet Glass Company, Limited (1 from 1,157 patents)

2. Yachiyo Kogyo Kabushiki Kaisha (1 from 12 patents)


1 patent:

1. 7360826 - Sheet member with frame body

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as of
1/6/2026
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