Growing community of inventors

Saitama, Japan

Nobuo Hiruma

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

Nobuo Hiruma ↔ Takehiro Takahashi (1 patent)Nobuo Hiruma ↔ Kozo Ono (1 patent)Nobuo Hiruma ↔ Motoo Takada (1 patent)Nobuo Hiruma ↔ Masahiro Yoshimatsu (1 patent)Nobuo Hiruma ↔ Takuji Yamamoto (1 patent)Nobuo HirumaNobuo Hiruma (1 patent)Takehiro TakahashiTakehiro Takahashi (37 patents)Kozo OnoKozo Ono (23 patents)Motoo TakadaMotoo Takada (9 patents)Masahiro YoshimatsuMasahiro Yoshimatsu (6 patents)Takuji YamamotoTakuji Yamamoto (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
12/11/2025
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