Growing community of inventors

Shizuoka, Japan

Toshiaki Kumazawa

Average Co-Inventor Count = 6.64

ph-index = 9

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 = 139

Toshiaki KumazawaHiroyuki Obase (7 patents)Toshiaki KumazawaKoji Yamada (4 patents)Toshiaki KumazawaEtsuo Ohshima (3 patents)Toshiaki KumazawaTetsuji Ohno (3 patents)Toshiaki KumazawaFumihiko Kanai (3 patents)Toshiaki KumazawaShiro Shirakura (3 patents)Toshiaki KumazawaHideyuki Sato (3 patents)Toshiaki KumazawaTomoko Ishikawa (3 patents)Toshiaki KumazawaMasashi Yanase (3 patents)Toshiaki KumazawaShiho Takahara (3 patents)Toshiaki KumazawaKazuhiro Kubo (2 patents)Toshiaki KumazawaKoji Yamada (2 patents)Toshiaki KumazawaKatsuichi Shuto (2 patents)Toshiaki KumazawaShoji Oda (2 patents)Toshiaki KumazawaShigeru Aono (2 patents)Toshiaki KumazawaHiroyuki Harakawa (2 patents)Toshiaki KumazawaAkira Karasawa (1 patent)Toshiaki KumazawaAkio Ishii (1 patent)Toshiaki KumazawaShunji Ichikawa (1 patent)Toshiaki KumazawaKenji Ohmori (1 patent)Toshiaki KumazawaHaruki Takai (1 patent)Toshiaki KumazawaHiroshi Tanaka (1 patent)Toshiaki KumazawaShigeto Kitamura (1 patent)Toshiaki KumazawaHaruhiko Manabe (1 patent)Toshiaki KumazawaEtsuo Oshima (1 patent)Toshiaki KumazawaYoshimasa Oiji (1 patent)Toshiaki KumazawaTadafumi Tamura (1 patent)Toshiaki KumazawaHidee Ishii (1 patent)Toshiaki KumazawaKoji Suzuki (1 patent)Toshiaki KumazawaTsuyoshi Yamagata (1 patent)Toshiaki KumazawaKaoru Atsuki (1 patent)Toshiaki KumazawaMakoto Yoshida (1 patent)Toshiaki KumazawaTakashi Seishi (1 patent)Toshiaki KumazawaEiko Oishi (1 patent)Toshiaki KumazawaHirokazu Koshimura (1 patent)Toshiaki KumazawaShizuo Otaki (1 patent)Toshiaki KumazawaHitoshi Takami (1 patent)Toshiaki KumazawaNobuyuki Kishibayashi (1 patent)Toshiaki KumazawaToshiaki Kumazawa (11 patents)Hiroyuki ObaseHiroyuki Obase (23 patents)Koji YamadaKoji Yamada (51 patents)Etsuo OhshimaEtsuo Ohshima (23 patents)Tetsuji OhnoTetsuji Ohno (20 patents)Fumihiko KanaiFumihiko Kanai (12 patents)Shiro ShirakuraShiro Shirakura (9 patents)Hideyuki SatoHideyuki Sato (5 patents)Tomoko IshikawaTomoko Ishikawa (4 patents)Masashi YanaseMasashi Yanase (3 patents)Shiho TakaharaShiho Takahara (3 patents)Kazuhiro KuboKazuhiro Kubo (32 patents)Koji YamadaKoji Yamada (31 patents)Katsuichi ShutoKatsuichi Shuto (19 patents)Shoji OdaShoji Oda (14 patents)Shigeru AonoShigeru Aono (3 patents)Hiroyuki HarakawaHiroyuki Harakawa (2 patents)Akira KarasawaAkira Karasawa (33 patents)Akio IshiiAkio Ishii (29 patents)Shunji IchikawaShunji Ichikawa (21 patents)Kenji OhmoriKenji Ohmori (21 patents)Haruki TakaiHaruki Takai (19 patents)Hiroshi TanakaHiroshi Tanaka (18 patents)Shigeto KitamuraShigeto Kitamura (16 patents)Haruhiko ManabeHaruhiko Manabe (12 patents)Etsuo OshimaEtsuo Oshima (12 patents)Yoshimasa OijiYoshimasa Oiji (11 patents)Tadafumi TamuraTadafumi Tamura (7 patents)Hidee IshiiHidee Ishii (6 patents)Koji SuzukiKoji Suzuki (5 patents)Tsuyoshi YamagataTsuyoshi Yamagata (5 patents)Kaoru AtsukiKaoru Atsuki (4 patents)Makoto YoshidaMakoto Yoshida (2 patents)Takashi SeishiTakashi Seishi (1 patent)Eiko OishiEiko Oishi (1 patent)Hirokazu KoshimuraHirokazu Koshimura (1 patent)Shizuo OtakiShizuo Otaki (1 patent)Hitoshi TakamiHitoshi Takami (1 patent)Nobuyuki KishibayashiNobuyuki Kishibayashi (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Kyowa Hakko Kogyo Co., Ltd. (10 from 730 patents)

2. Kyowa Hakko Kogyo (1 from 9 patents)


11 patents:

1. 6211227 - Tricyclic compounds

2. 6150355 - Phenylpiperidine derivative

3. 5679703 - Tricyclic compounds having ACAT inhibiting activity

4. 5607955 - Tricyclic compounds on angiotensin II receptor antagonists

5. 5478840 - Tricyclic compounds

6. 5478835 - Tricyclic compounds and intermediates thereof

7. 5378701 - Tricyclic compounds

8. 5340807 - Tricyclic compounds and intermediates thereof

9. 5239083 - Indole derivatives which inhibit steroid 5.alpha. reductase

10. 5116863 - Dibenz[b,e]oxepin derivative and pharmaceutical compositions thereof

11. 4547496 - Antiulcer [1] benzepino[3,4-b]pyridine and compositions

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