Growing community of inventors

Edogawa-ku, Japan

Katsuhiko Okano

Average Co-Inventor Count = 9.00

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 = 3

Katsuhiko OkanoTsutomu Yagi (3 patents)Katsuhiko OkanoYoshihiro Takayanagi (3 patents)Katsuhiko OkanoAkihiro Imura (3 patents)Katsuhiko OkanoKouji Sato (3 patents)Katsuhiko OkanoKeiji Nakayama (3 patents)Katsuhiko OkanoTomoyuki Nagai (3 patents)Katsuhiko OkanoMikihiro Itoh (3 patents)Katsuhiko OkanoYukinari Kobayashi (3 patents)Katsuhiko OkanoKatsuhiko Okano (3 patents)Tsutomu YagiTsutomu Yagi (12 patents)Yoshihiro TakayanagiYoshihiro Takayanagi (9 patents)Akihiro ImuraAkihiro Imura (7 patents)Kouji SatoKouji Sato (6 patents)Keiji NakayamaKeiji Nakayama (5 patents)Tomoyuki NagaiTomoyuki Nagai (3 patents)Mikihiro ItohMikihiro Itoh (3 patents)Yukinari KobayashiYukinari Kobayashi (3 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Daiichi Pharmaceutical Co., Ltd. (3 from 200 patents)


3 patents:

1. 7189847 - Process for producing benzoxazine derivative and production intermediate thereof

2. 7087778 - Process for producing benzoxazine derivative and production intermediate thereof

3. 6872823 - Process for producing benzoxazine derivative and production intermediate thereof

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as of
1/6/2026
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