Growing community of inventors

Hiroshima, Japan

Yohji Kobayakawa

Average Co-Inventor Count = 4.00

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 = 6

Yohji KobayakawaAkira Nishikawa (1 patent)Yohji KobayakawaTakaaki Hamada (1 patent)Yohji KobayakawaManabu Kawahara (1 patent)Yohji KobayakawaYohji Kobayakawa (1 patent)Akira NishikawaAkira Nishikawa (1 patent)Takaaki HamadaTakaaki Hamada (1 patent)Manabu KawaharaManabu Kawahara (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Kumahira Safe Co., Inc. (1 from 10 patents)


1 patent:

1. 4546857 - Conveyor system for a drive-in bank

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12/20/2025
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