YY

Yukinobu Yamazaki

HM Hitachi Maxell: 3 patents #330 of 1,211Top 30%
HI Hitachi: 2 patents #13,388 of 28,497Top 50%
GC Goyo Paper Working Co.: 1 patents #8 of 17Top 50%
KS Kobe Steel: 1 patents #857 of 2,031Top 45%
Overall (All Time): #876,665 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
6852198 Resin composition, water-resistant/moisture-proof paper, containing the same, and process for producing the same Michinori NAKAMOTO, Hiroshi Okamura, Takeshi Yoshida, Hiroshi Kawahara 2005-02-08
5712833 Durable magneto-optical disk having a rare earth-transition amorphous magneto-optical layer Noriyuki Ogihara 1998-01-27
5089375 Optical information recording medium and production method thereof Akira Gotoh, Naoyuki Kikuchi 1992-02-18
5073243 Method for producing an optical recording medium Akira Gotoh, Naoyuki Kikuchi, Shinkichi Horigome, Motoyasu Terao, Horoyuki Suzuki +3 more 1991-12-17
4908250 Optical recording medium and production method thereof Akira Gotoh, Naoyuki Kikuchi, Shinkichi Horigome, Motoyasu Terao, Hiroyuki Suzuki +3 more 1990-03-13
4534199 Method and apparatus for produced stepped tubes Kazuhide Takaishi, Toshiki Kadonaga, Masamitsu Tamura, Shigeharu Nakamura, Mitsuru Mizoguchi +1 more 1985-08-13