NO

Norio Ohta

HM Hitachi Maxell: 3 patents #1 of 84Top 2%
Dai Nippon Printing Co.: 1 patents #48 of 147Top 35%
HI Hitachi: 1 patents #867 of 2,942Top 30%
NK Nippon Hoso Kyokai: 1 patents #9 of 56Top 20%
Overall (1997): #6,531 of 185,788Top 4%
4
Patents 1997

Issued Patents 1997

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
5672460 Method for forming conductive or insulating layers Toshihiro Katoh, Takao Kuriyama, Tatsuya Takei, Takashi Kawai, Hiroshi Murakami +2 more 1997-09-30
5654058 Magneto-optical disk Fumiyoshi Kirino, Harukazu Miyamoto, Shigenori Okamine, Noriyuki Ogihara, Masahiko Takahashi +1 more 1997-08-05
5639563 Magneto-optical recording medium Satoru Ohnuki, Katsusuke Shimazaki, Hideo Fujiwara, Masafumi Yoshihiro, Noriyuki Ogihara +1 more 1997-06-17
5637411 Magneto-optical recording medium and process for producing the same Katsusuke Shimazaki, Satoru Ohnuki, Masatoshi Hashimoto, Yoshinori Shirai, Hideo Fujiwara +4 more 1997-06-10