Growing community of inventors

Tokyo, Japan

Tamotsu Kikuchi

Average Co-Inventor Count = 6.00

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 = 0

Tamotsu Kikuchi ↔ Kenji Hasegawa (1 patent)Tamotsu Kikuchi ↔ Motonobu Ito (1 patent)Tamotsu Kikuchi ↔ Takaaki Odate (1 patent)Tamotsu Kikuchi ↔ Osamu Igawa (1 patent)Tamotsu Kikuchi ↔ Takato Aoyama (1 patent)Tamotsu Kikuchi ↔ Motonobu Ito (1 patent)Tamotsu Kikuchi ↔ Osamu Igawa (0 patent)Tamotsu Kikuchi ↔ Osamu Igawa (1 patent)Tamotsu Kikuchi ↔ Kenji Hasegawa (1 patent)Tamotsu KikuchiTamotsu Kikuchi (1 patent)Kenji HasegawaKenji Hasegawa (43 patents)Motonobu ItoMotonobu Ito (3 patents)Takaaki OdateTakaaki Odate (1 patent)Osamu IgawaOsamu Igawa (1 patent)Takato AoyamaTakato Aoyama (1 patent)Motonobu ItoMotonobu Ito (1 patent)Osamu IgawaOsamu Igawa (0 patent)Osamu IgawaOsamu Igawa (1 patent)Kenji HasegawaKenji Hasegawa (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Tokyo Metropolitan Sewerage Service Corporation (1 from 8 patents)

2. Nippon Koei Co., Ltd. (1 from 7 patents)

3. Kansei Company (1 from 3 patents)


1 patent:

1. 10415201 - Opening/closing device

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as of
12/27/2025
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