Issued Patents All Time
Showing 76–90 of 90 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7323258 | Magnetic recording medium and method for manufacturing the same | Yuichi Ohsawa, Hiroyuki Hieda, Akira Kikitsu | 2008-01-29 |
| 7319568 | Magnetic recording media, magnetic recording apparatus, and stamper | Takeshi Okino, Akira Kikitsu, Yoichiro Tanaka | 2008-01-15 |
| 7314833 | Method for manufacturing substrate for discrete track recording media and method for manufacturing discrete track recording media | Katsuyuki Naito, Akira Kikitsu, Masatoshi Sakurai, Masahiro Oka | 2008-01-01 |
| 7232621 | Method of patterning magnetic products using chemical reaction | Katsuyuki Naito, Hiroyuki Hieda | 2007-06-19 |
| 7203969 | Recording medium, recording-medium management method, and recording-medium management system | Masatoshi Sakurai, Katsuyuki Naito | 2007-04-10 |
| 7195827 | Perpendicular magnetic recording medium | Tomoyuki Maeda, Akira Kikitsu, Hiroyuki Hieda | 2007-03-27 |
| 7166261 | Method of patterning products using chemical reaction | Katsuyuki Naito, Hiroyuki Hieda | 2007-01-23 |
| 7141317 | Perpendicular magnetic recording medium | Akira Kikitsu | 2006-11-28 |
| 7067207 | Magnetic recording medium having a patterned soft magnetic layer | Masatoshi Sakurai, Akira Kikitsu | 2006-06-27 |
| 6841224 | Method of patterning magnetic products using chemical reactions | Katsuyuki Naito, Hiroyuki Hieda | 2005-01-11 |
| 5378281 | Pretreating apparatus for adhesion of plastic sheet materials | — | 1995-01-03 |
| 5369718 | Total internal reflection-type optical waveguide switch | Hisaharu Yanagawa | 1994-11-29 |
| 5148505 | Optical semiconductor waveguide switch | Hisaharu Yanagawa, Ken Ueki, Hidehisa Miyazawa | 1992-09-15 |
| 5033811 | Optical switch | Hisaharu Yanagawa, Ken Ueki, Hidehisa Miyazawa | 1991-07-23 |
| 4909590 | Method and apparatus for switching optical connector | Kazuo Kamiko, Shizuka Yamaguchi, Isamu Kinoshita, Koji Sasaki, Kazuhiro Miyazawa +3 more | 1990-03-20 |