Growing community of inventors

Tokyo, Japan

Takahiro Koizumi

Average Co-Inventor Count = 4.86

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 = 2

Takahiro KoizumiHiroyuki Ozawa (1 patent)Takahiro KoizumiSatoru Narizuka (1 patent)Takahiro KoizumiTakashi Kume (1 patent)Takahiro KoizumiMichio Ishida (1 patent)Takahiro KoizumiNariyuki Yoshinaga (1 patent)Takahiro KoizumiYasutomo Kimura (1 patent)Takahiro KoizumiEri Tsukada (1 patent)Takahiro KoizumiKanae Okuma (1 patent)Takahiro KoizumiShoshi Hidaka (1 patent)Takahiro KoizumiSeiji Takasaki (1 patent)Takahiro KoizumiKoji Shinohara (1 patent)Takahiro KoizumiWataru Ueno (1 patent)Takahiro KoizumiTakahiro Koizumi (3 patents)Hiroyuki OzawaHiroyuki Ozawa (75 patents)Satoru NarizukaSatoru Narizuka (49 patents)Takashi KumeTakashi Kume (17 patents)Michio IshidaMichio Ishida (7 patents)Nariyuki YoshinagaNariyuki Yoshinaga (6 patents)Yasutomo KimuraYasutomo Kimura (3 patents)Eri TsukadaEri Tsukada (3 patents)Kanae OkumaKanae Okuma (2 patents)Shoshi HidakaShoshi Hidaka (2 patents)Seiji TakasakiSeiji Takasaki (1 patent)Koji ShinoharaKoji Shinohara (1 patent)Wataru UenoWataru Ueno (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Honda Motor Co., Ltd. (2 from 21,862 patents)

2. Central Glass Company, Limited (1 from 1,000 patents)


3 patents:

1. 12168384 - Vehicle cooling device

2. 12027714 - Battery protection apparatus, vehicle, and attachment method for battery protection apparatus

3. 6175041 - Process for producing trifluoromethylbenzylamines

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as of
12/15/2025
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