Growing community of inventors

Omiya, Japan

Katsuo Hatayama

Average Co-Inventor Count = 5.10

ph-index = 10

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 = 295

Katsuo HatayamaYutaka Kawashima (9 patents)Katsuo HatayamaShigeo Morimoto (8 patents)Katsuo HatayamaMasato Kashimura (8 patents)Katsuo HatayamaToshifumi Asaka (8 patents)Katsuo HatayamaSadakazu Yokomori (8 patents)Katsuo HatayamaYoko Misawa (7 patents)Katsuo HatayamaKensei Yoshikawa (6 patents)Katsuo HatayamaYoshiaki Watanabe (5 patents)Katsuo HatayamaMasakazu Sato (5 patents)Katsuo HatayamaYutaka Ohuchi (5 patents)Katsuo HatayamaYoshimoto Nakashima (4 patents)Katsuo HatayamaTatsuhiko Sano (4 patents)Katsuo HatayamaAtsuro Nakazato (3 patents)Katsuo HatayamaKaoru Sota (3 patents)Katsuo HatayamaYoshinori Sekiguchi (3 patents)Katsuo HatayamaHajime Asanuma (3 patents)Katsuo HatayamaTomomi Ota (3 patents)Katsuo HatayamaShiuji Saito (3 patents)Katsuo HatayamaToshihisa Ogawa (3 patents)Katsuo HatayamaAkira Manaka (3 patents)Katsuo HatayamaYohichi Shimazaki (3 patents)Katsuo HatayamaMariko Kashiwa (3 patents)Katsuo HatayamaMasaji Suzuki (3 patents)Katsuo HatayamaJiro Sawada (2 patents)Katsuo HatayamaChihiro Yokoo (2 patents)Katsuo HatayamaKeiko Takahashi (2 patents)Katsuo HatayamaKazuto Sekiuchi (2 patents)Katsuo HatayamaHisaya Wada (2 patents)Katsuo HatayamaShuichi Sato (2 patents)Katsuo HatayamaTakemi Sunaga (2 patents)Katsuo HatayamaKeiko Saijo (2 patents)Katsuo HatayamaMasatoshi Hayashi (2 patents)Katsuo HatayamaYoshihiko Isobe (2 patents)Katsuo HatayamaMakoto Muramatsu (2 patents)Katsuo HatayamaMasahiro Kawase (2 patents)Katsuo HatayamaYan Li (1 patent)Katsuo HatayamaIchiro Tanaka (1 patent)Katsuo HatayamaMinoru Taguchi (1 patent)Katsuo HatayamaYasuji Yamada (1 patent)Katsuo HatayamaLiang Huang (1 patent)Katsuo HatayamaShuji Saito (1 patent)Katsuo HatayamaGeng-tao Liu (1 patent)Katsuo HatayamaShigeru Okuyama (1 patent)Katsuo HatayamaMitsuo Murata (1 patent)Katsuo HatayamaSusumu Otomo (1 patent)Katsuo HatayamaShoichi Ito (1 patent)Katsuo HatayamaTohru Matsunaga (1 patent)Katsuo HatayamaKoumei Ohta (1 patent)Katsuo HatayamaIwao Arai (1 patent)Katsuo HatayamaShuji Saito (1 patent)Katsuo HatayamaMorihiro Mitsukuchi (1 patent)Katsuo HatayamaSatoshi Hibino (1 patent)Katsuo HatayamaTomoyuki Ikemoto (1 patent)Katsuo HatayamaYoshihiro Migita (1 patent)Katsuo HatayamaTaro Matsumoto (1 patent)Katsuo HatayamaAturo Nakazato (1 patent)Katsuo HatayamaHiroaki Araki (1 patent)Katsuo HatayamaShin-ichi Nakatsuka (1 patent)Katsuo HatayamaEr-chang Rao (1 patent)Katsuo HatayamaShohei Higuchi (1 patent)Katsuo HatayamaJin Zhou (1 patent)Katsuo HatayamaSanae Kitsukawa (1 patent)Katsuo HatayamaShigeyuki Sumiya (1 patent)Katsuo HatayamaChika Ito (1 patent)Katsuo HatayamaHaruko Kijima (1 patent)Katsuo HatayamaHidemichi Mitome (1 patent)Katsuo HatayamaKazuaki Kyogoku (1 patent)Katsuo HatayamaShigeyuki Sumiya (1 patent)Katsuo HatayamaKatsuo Hatayama (38 patents)Yutaka KawashimaYutaka Kawashima (13 patents)Shigeo MorimotoShigeo Morimoto (25 patents)Masato KashimuraMasato Kashimura (24 patents)Toshifumi AsakaToshifumi Asaka (22 patents)Sadakazu YokomoriSadakazu Yokomori (8 patents)Yoko MisawaYoko Misawa (7 patents)Kensei YoshikawaKensei Yoshikawa (10 patents)Yoshiaki WatanabeYoshiaki Watanabe (83 patents)Masakazu SatoMasakazu Sato (66 patents)Yutaka OhuchiYutaka Ohuchi (8 patents)Yoshimoto NakashimaYoshimoto Nakashima (8 patents)Tatsuhiko SanoTatsuhiko Sano (7 patents)Atsuro NakazatoAtsuro Nakazato (43 patents)Kaoru SotaKaoru Sota (24 patents)Yoshinori SekiguchiYoshinori Sekiguchi (13 patents)Hajime AsanumaHajime Asanuma (11 patents)Tomomi OtaTomomi Ota (10 patents)Shiuji SaitoShiuji Saito (7 patents)Toshihisa OgawaToshihisa Ogawa (6 patents)Akira ManakaAkira Manaka (4 patents)Yohichi ShimazakiYohichi Shimazaki (3 patents)Mariko KashiwaMariko Kashiwa (3 patents)Masaji SuzukiMasaji Suzuki (3 patents)Jiro SawadaJiro Sawada (13 patents)Chihiro YokooChihiro Yokoo (11 patents)Keiko TakahashiKeiko Takahashi (10 patents)Kazuto SekiuchiKazuto Sekiuchi (6 patents)Hisaya WadaHisaya Wada (4 patents)Shuichi SatoShuichi Sato (2 patents)Takemi SunagaTakemi Sunaga (2 patents)Keiko SaijoKeiko Saijo (2 patents)Masatoshi HayashiMasatoshi Hayashi (2 patents)Yoshihiko IsobeYoshihiko Isobe (2 patents)Makoto MuramatsuMakoto Muramatsu (2 patents)Masahiro KawaseMasahiro Kawase (2 patents)Yan LiYan Li (285 patents)Ichiro TanakaIchiro Tanaka (29 patents)Minoru TaguchiMinoru Taguchi (24 patents)Yasuji YamadaYasuji Yamada (14 patents)Liang HuangLiang Huang (12 patents)Shuji SaitoShuji Saito (1 patent)Geng-tao LiuGeng-tao Liu (8 patents)Shigeru OkuyamaShigeru Okuyama (6 patents)Mitsuo MurataMitsuo Murata (5 patents)Susumu OtomoSusumu Otomo (5 patents)Shoichi ItoShoichi Ito (4 patents)Tohru MatsunagaTohru Matsunaga (4 patents)Koumei OhtaKoumei Ohta (3 patents)Iwao AraiIwao Arai (3 patents)Shuji SaitoShuji Saito (3 patents)Morihiro MitsukuchiMorihiro Mitsukuchi (3 patents)Satoshi HibinoSatoshi Hibino (2 patents)Tomoyuki IkemotoTomoyuki Ikemoto (2 patents)Yoshihiro MigitaYoshihiro Migita (2 patents)Taro MatsumotoTaro Matsumoto (2 patents)Aturo NakazatoAturo Nakazato (1 patent)Hiroaki ArakiHiroaki Araki (1 patent)Shin-ichi NakatsukaShin-ichi Nakatsuka (1 patent)Er-chang RaoEr-chang Rao (1 patent)Shohei HiguchiShohei Higuchi (1 patent)Jin ZhouJin Zhou (1 patent)Sanae KitsukawaSanae Kitsukawa (1 patent)Shigeyuki SumiyaShigeyuki Sumiya (1 patent)Chika ItoChika Ito (1 patent)Haruko KijimaHaruko Kijima (1 patent)Hidemichi MitomeHidemichi Mitome (1 patent)Kazuaki KyogokuKazuaki Kyogoku (1 patent)Shigeyuki SumiyaShigeyuki Sumiya (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Taisho Pharmaceutical Co., Ltd. (38 from 314 patents)

2. Chinese Academy of Medical Sciences (1 from 114 patents)


38 patents:

1. 5753673 - Quinolinecarboxylic acid derivatives

2. 5733917 - Heterocyclic compound

3. 5712263 - Steroid derivatives

4. 5672712 - Thiazoline derivatives

5. 5631355 - 5-O-desosaminylerythronolide a derivatives

6. 5631354 - 5-O-desosaminylerythronolide derivatives

7. 5602239 - 5-O-desosaminylerythronolide derivatives

8. 5597921 - Indolo[2,3-b]quinoxaline derivatives

9. 5591837 - 5-O-desosaminylerythronolide a derivative

10. 5571820 - Heterocyclic compound

11. 5523399 - 5-O-desosaminylerythronolide derivatives

12. 5521311 - 5-aminoacetylaminosulfonanilide compounds

13. 5502202 - Aminoalkylthiazole derivative

14. 5496829 - Use of 2-nitroxyethyl (+)apovincaminate

15. 5495046 - Alkoxyphenylalkylamine derivatives

Please report any incorrect information to support@idiyas.com
idiyas.com
as of
12/3/2025
Loading…