Growing community of inventors

Kyoto, Japan

Hirofumi Gyokusen

Average Co-Inventor Count = 7.00

ph-index = 2

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 = 17

Hirofumi Gyokusen ↔ Masaki Yamamoto (2 patents)Hirofumi Gyokusen ↔ Shigeru Shirai (2 patents)Hirofumi Gyokusen ↔ Hiroaki Yoshida (2 patents)Hirofumi Gyokusen ↔ Masaaki Kawaguri (2 patents)Hirofumi Gyokusen ↔ Kazushige Kawahara (2 patents)Hirofumi Gyokusen ↔ Masaaki Inagi (2 patents)Hirofumi GyokusenHirofumi Gyokusen (2 patents)Masaki YamamotoMasaki Yamamoto (125 patents)Shigeru ShiraiShigeru Shirai (13 patents)Hiroaki YoshidaHiroaki Yoshida (13 patents)Masaaki KawaguriMasaaki Kawaguri (3 patents)Kazushige KawaharaKazushige Kawahara (2 patents)Masaaki InagiMasaaki Inagi (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Matsushita Electric Industrial Co., Ltd. (2 from 27,375 patents)


2 patents:

1. RE38841 - Shower bath apparatus and spray nozzle

2. 6195814 - Shower bath apparatus and spray nozzle

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12/7/2025
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