Growing community of inventors

Funabashi, Japan

Koji Toyama

Average Co-Inventor Count = 9.11

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 = 10

Koji ToyamaKeishi Hayashi (3 patents)Koji ToyamaMasataka Minami (3 patents)Koji ToyamaTsuneo Watanabe (2 patents)Koji ToyamaJunji Kamon (2 patents)Koji ToyamaMiyuki Uni (2 patents)Koji ToyamaMariko Nasu (2 patents)Koji ToyamaYoshiaki Watanabe (1 patent)Koji ToyamaShojiro Kadono (1 patent)Koji ToyamaHaruhiko Sato (1 patent)Koji ToyamaKazufumi Yanagihara (1 patent)Koji ToyamaShunsuke Iwamoto (1 patent)Koji ToyamaKazuhiko Ohrai (1 patent)Koji ToyamaNorihisa Ishiwata (1 patent)Koji ToyamaYukihiro Shigeta (1 patent)Koji ToyamaTakuya Shiraishi (1 patent)Koji ToyamaMasahiro Sakaitani (1 patent)Koji ToyamaYoshiyuki Suzuki (1 patent)Koji ToyamaHirofumi Ota (1 patent)Koji ToyamaYutaka Hirokawa (1 patent)Koji ToyamaMasato Horikawa (1 patent)Koji ToyamaTakanori Shimizu (1 patent)Koji ToyamaMasateru Ohta (1 patent)Koji ToyamaSatoshi Nakano (1 patent)Koji ToyamaShingo Owada (1 patent)Koji ToyamaNobuya Ishii (1 patent)Koji ToyamaMasami Hasegawa (1 patent)Koji ToyamaMichiaki Adachi (1 patent)Koji ToyamaKatsuaki Myaji (1 patent)Koji ToyamaMasakazu Sugiyama (1 patent)Koji ToyamaKoji Toyama (4 patents)Keishi HayashiKeishi Hayashi (7 patents)Masataka MinamiMasataka Minami (5 patents)Tsuneo WatanabeTsuneo Watanabe (48 patents)Junji KamonJunji Kamon (7 patents)Miyuki UniMiyuki Uni (4 patents)Mariko NasuMariko Nasu (2 patents)Yoshiaki WatanabeYoshiaki Watanabe (83 patents)Shojiro KadonoShojiro Kadono (17 patents)Haruhiko SatoHaruhiko Sato (16 patents)Kazufumi YanagiharaKazufumi Yanagihara (16 patents)Shunsuke IwamotoShunsuke Iwamoto (15 patents)Kazuhiko OhraiKazuhiko Ohrai (14 patents)Norihisa IshiwataNorihisa Ishiwata (13 patents)Yukihiro ShigetaYukihiro Shigeta (13 patents)Takuya ShiraishiTakuya Shiraishi (12 patents)Masahiro SakaitaniMasahiro Sakaitani (11 patents)Yoshiyuki SuzukiYoshiyuki Suzuki (11 patents)Hirofumi OtaHirofumi Ota (10 patents)Yutaka HirokawaYutaka Hirokawa (9 patents)Masato HorikawaMasato Horikawa (9 patents)Takanori ShimizuTakanori Shimizu (8 patents)Masateru OhtaMasateru Ohta (7 patents)Satoshi NakanoSatoshi Nakano (7 patents)Shingo OwadaShingo Owada (6 patents)Nobuya IshiiNobuya Ishii (6 patents)Masami HasegawaMasami Hasegawa (5 patents)Michiaki AdachiMichiaki Adachi (4 patents)Katsuaki MyajiKatsuaki Myaji (1 patent)Masakazu SugiyamaMasakazu Sugiyama (1 patent)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Nissan Chemical Industries Limited (4 from 1,235 patents)

2. Chugai Seiyaku Kabushiki Kaisha (1 from 947 patents)


4 patents:

1. 9556187 - Substituted pyrrolo[3',2′:5,6]pyrido[4,3-d]pyrimidines and JAK inhibitors comprising the same

2. 9216999 - Substituted pyrrolo[2,3-h][1,6]naphthyridines and compositions thereof as JAK inhibitors

3. 8134013 - Amide compound and thrombopoietin receptor activator

4. 7879887 - α-amino acid derivatives and medicaments containing the same as an active ingredient

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12/8/2025
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