Growing community of inventors

Fujiyoshida, Japan

Takahiro Shimizu

Average Co-Inventor Count = 5.00

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

Takahiro Shimizu ↔ Junji Miyashita (1 patent)Takahiro Shimizu ↔ Kiyokazu Watanabe (1 patent)Takahiro Shimizu ↔ Takumi Miyashita (1 patent)Takahiro Shimizu ↔ Takuma Horiuchi (1 patent)Takahiro Shimizu ↔ Ryo Tamura (1 patent)Takahiro Shimizu ↔ Makoto Yasuhara (1 patent)Takahiro Shimizu ↔ Ryo Matsuura (1 patent)Takahiro Shimizu ↔ Koichi Hada (1 patent)Takahiro ShimizuTakahiro Shimizu (2 patents)Junji MiyashitaJunji Miyashita (50 patents)Kiyokazu WatanabeKiyokazu Watanabe (13 patents)Takumi MiyashitaTakumi Miyashita (11 patents)Takuma HoriuchiTakuma Horiuchi (9 patents)Ryo TamuraRyo Tamura (8 patents)Makoto YasuharaMakoto Yasuhara (5 patents)Ryo MatsuuraRyo Matsuura (1 patent)Koichi HadaKoichi Hada (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Citizen Electronics Co., Ltd. (2 from 608 patents)

2. Citizen Watch Company, Ltd. (1 from 2,002 patents)

3. Citizen Holdings Company, Ltd. (1 from 450 patents)


2 patents:

1. 11841528 - Linear light-emitting device

2. 8616749 - Planar light-emitting device

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as of
12/8/2025
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