HY

Hiroshi Yoshikawa

NK Nippon Kayaku: 2 patents #1 of 55Top 2%
HI Hitachi: 1 patents #867 of 2,942Top 30%
MC Minebea Co.: 1 patents #3 of 21Top 15%
Overall (1997): #7,915 of 185,788Top 5%
4
Patents 1997

Issued Patents 1997

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
5689300 Picture codec and teleconference terminal equipment Yoji Shibata, Masaaki Takizawa, Hitoshi Matsushima, Atsuo Yoshida, Toru Ebihara +3 more 1997-11-18
5649442 Method of manufacturing casing base for hard disc drive device Rikuro Obara 1997-07-22
5637680 Process for the preparation of etoposide phosphate and intermediate thereof Yoshinobu Miyazawa, Hitoshi Sato, Kouichi Ohkawa, Noriko Tomiyoshi 1997-06-10
5606039 Etoposide phosphate and preparative intermediates Yoshinobu Miyazawa, Hitoshi Sato, Kouichi Ohkawa, Noriko Tomiyoshi 1997-02-25