Growing community of inventors

Saitama, Japan

Takuji Yamamoto

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 = 1

Takuji Yamamoto ↔ Takehiro Takahashi (1 patent)Takuji Yamamoto ↔ Kozo Ono (1 patent)Takuji Yamamoto ↔ Motoo Takada (1 patent)Takuji Yamamoto ↔ Masahiro Yoshimatsu (1 patent)Takuji Yamamoto ↔ Nobuo Hiruma (1 patent)Takuji YamamotoTakuji Yamamoto (1 patent)Takehiro TakahashiTakehiro Takahashi (37 patents)Kozo OnoKozo Ono (23 patents)Motoo TakadaMotoo Takada (9 patents)Masahiro YoshimatsuMasahiro Yoshimatsu (6 patents)Nobuo HirumaNobuo Hiruma (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Nihon Dempa Kogyo Co., Ltd. (1 from 630 patents)


1 patent:

1. 8437097 - Optical filter

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as of
12/12/2025
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