Growing community of inventors

Tokorozawa, Japan

Toshihide Hirohara

Average Co-Inventor Count = 6.15

ph-index = 2

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 = 102

Toshihide Hirohara ↔ Masaaki Matsunaga (2 patents)Toshihide Hirohara ↔ Yoshio Iinuma (1 patent)Toshihide Hirohara ↔ Shigeyuki Takahashi (1 patent)Toshihide Hirohara ↔ Kiyoshi Kamiya (1 patent)Toshihide Hirohara ↔ Eiichi Tajima (1 patent)Toshihide Hirohara ↔ Teruaki Takahashi (1 patent)Toshihide Hirohara ↔ Takashi Ogura (1 patent)Toshihide Hirohara ↔ Tetsuo Tanaka (1 patent)Toshihide Hirohara ↔ Naotake Ando (1 patent)Toshihide HiroharaToshihide Hirohara (2 patents)Masaaki MatsunagaMasaaki Matsunaga (12 patents)Yoshio IinumaYoshio Iinuma (11 patents)Shigeyuki TakahashiShigeyuki Takahashi (9 patents)Kiyoshi KamiyaKiyoshi Kamiya (8 patents)Eiichi TajimaEiichi Tajima (5 patents)Teruaki TakahashiTeruaki Takahashi (2 patents)Takashi OguraTakashi Ogura (2 patents)Tetsuo TanakaTetsuo Tanaka (1 patent)Naotake AndoNaotake Ando (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

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


2 patents:

1. 4643526 - Liquid crystal display device having a resin-coated IC chip

2. 4561044 - Lighting device for a display panel of an electronic device

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12/30/2025
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