Growing community of inventors

Saitama-ken, Japan

Koichi Itoh

Average Co-Inventor Count = 7.50

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 = 4

Koichi ItohToshihiro Takahashi (3 patents)Koichi ItohMasashi Suzuki (3 patents)Koichi ItohMakoto Yanai (3 patents)Koichi ItohKoji Kawamura (3 patents)Koichi ItohMasahiro Ueno (3 patents)Koichi ItohNorio Oshida (2 patents)Koichi ItohHiroaki Satoh (2 patents)Koichi ItohToshiji Sugai (2 patents)Koichi ItohEinosuke Sakurai (2 patents)Koichi ItohHiroshi Sakai (2 patents)Koichi ItohShinji Yokoyama (2 patents)Koichi ItohTamiko Hamada (2 patents)Koichi ItohYoji Mimaki (2 patents)Koichi ItohYukiko Muraki (2 patents)Koichi ItohKazumi Nishimura (2 patents)Koichi ItohTomomi Tonoike (2 patents)Koichi ItohKoichi Itoh (5 patents)Toshihiro TakahashiToshihiro Takahashi (53 patents)Masashi SuzukiMasashi Suzuki (36 patents)Makoto YanaiMakoto Yanai (19 patents)Koji KawamuraKoji Kawamura (12 patents)Masahiro UenoMasahiro Ueno (8 patents)Norio OshidaNorio Oshida (14 patents)Hiroaki SatohHiroaki Satoh (13 patents)Toshiji SugaiToshiji Sugai (10 patents)Einosuke SakuraiEinosuke Sakurai (8 patents)Hiroshi SakaiHiroshi Sakai (5 patents)Shinji YokoyamaShinji Yokoyama (5 patents)Tamiko HamadaTamiko Hamada (3 patents)Yoji MimakiYoji Mimaki (2 patents)Yukiko MurakiYukiko Muraki (2 patents)Kazumi NishimuraKazumi Nishimura (2 patents)Tomomi TonoikeTomomi Tonoike (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Nisshin Flour Milling Co., Ltd. (3 from 200 patents)

2. Nisshin Pharma Inc. (2 from 19 patents)


5 patents:

1. 6509482 - Optically active 1,4-benzodioxin-2-carboxylic acid derivatives and process for producing the same

2. 6329533 - Optically active 1,4-benzodioxin-2-carboxylic acid derivatives and process for producing the same

3. 6222050 - Optically active 1,4-benzodioxine-2-carboxylic acid derivatives and process for producing the same

4. 6046201 - Pyridinecarboxamide derivatives

5. 5972943 - Pyridinecarboxamide derivatives

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as of
1/9/2026
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