RN

Ryoichi Nakatani

HI Hitachi: 26 patents #1,179 of 28,497Top 5%
OU Osaka University: 4 patents #157 of 1,984Top 8%
HG HGST: 3 patents #100 of 483Top 25%
AU Akita University: 1 patents #21 of 60Top 35%
📍 Suita, JP: #23 of 1,253 inventorsTop 2%
Overall (All Time): #108,446 of 4,157,543Top 3%
33
Patents All Time

Issued Patents All Time

Showing 26–33 of 33 patents

Patent #TitleCo-InventorsDate
5290629 Magnetic film having a magnetic phase with crystallites of 200 A or less and an oxide phase present at the grain boundaries Toshio Kobayashi, Hitoshi Nakamura, Nagatugu Koiso 1994-03-01
5287237 Antiferromagnetic film superior in corrosion resistance, magnetoresistance-effect element and magnetoresistance-effect head including such thin film Masahiro Kitada, Noboru Shimizu, Hideo Tanabe, Isamu Yuito, Naoki Koyama 1994-02-15
5247415 Magnetic head having main and auxiliary magnetic paths Noriyuki Kumasaka, Takeo Yamashita, Toshio Kobayashi, Shigekazu Otomo 1993-09-21
4935314 Ferromagnetic film and magnetic head using the same Toshio Kobayashi, Shigekazu Otomo, Noriyuki Kumasaka 1990-06-19
4935311 Magnetic multilayered film and magnetic head using the same Toshio Kobayashi, Shigekazu Otomo, Noriyuki Kumasaka, Noritoshi Saito 1990-06-19
4920013 Magnetic Multilayer structure Toshio Kobayashi, Shigekazu Otomo, Noriyuki Kumasaka 1990-04-24
4891278 Ferrromagnetic thin film and magnetic head using it Shigekazu Otomo, Noriyuki Kumasaka, Noritoshi Saito, Toshio Kobayashi, Masahiko Fujishiro 1990-01-02
4858049 Magnetic film and magnetic head using the same Toshio Kobayashi, Shigekazu Otomo, Noriyuki Kumasaka 1989-08-15