Issued Patents All Time
Showing 26–46 of 46 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8068398 | Recording method for optical recording medium and recording apparatus | Tatsuya Kato | 2011-11-29 |
| 7787334 | Optical recording method on multilayer optical recording medium, optical recording apparatus, and multilayer optical recording medium | Takashi Kikukawa, Koji Mishima, Hidetake Itoh | 2010-08-31 |
| 7141330 | Secondary battery accomodation case | — | 2006-11-28 |
| 7095589 | Magnetic recording medium and magnetic recording and reproducing system | — | 2006-08-22 |
| 6898840 | Method of fabricating a magnetic head device | Masashi Shiraishi, Izumi Nomura, Isamu Sato, Masanori Sakai, Tsuyoshi Umehara +2 more | 2005-05-31 |
| 6620532 | Magnetic recording medium and magnetic write/read method | — | 2003-09-16 |
| 6541182 | Method for forming fine exposure patterns using dual exposure | Isabelle Louis Joseph Dogue, Hitoshi Hatate, Tsuneo Kagotani | 2003-04-01 |
| 6522502 | Magnetic head device | Masashi Shiraishi, Izumi Nomura, Isamu Sato, Masanori Sakai, Tsuyoshi Umehara +2 more | 2003-02-18 |
| 6495240 | Patterned magnetic recording medium possessing recording portions with a lower height than the surrounding non-magnetic matrix | Yoshimitsu Wada | 2002-12-17 |
| 6420058 | Magnetic recording medium | Susumu Haratani | 2002-07-16 |
| 6313969 | Magnetic disk medium and magnetic recording system | Kazuhiro Hattori, Isamu Sato | 2001-11-06 |
| 6144524 | Spin valve magnetoresistance device and method of designing the same | Susumu Haratani, Isamu Sato | 2000-11-07 |
| 6084746 | Magnetic head device | Masashi Shiraishi, Izumi Nomura, Isamu Sato, Masanori Sakai, Tsuyoshi Umehara +2 more | 2000-07-04 |
| 5698286 | Magnetic recording medium | Tsunehiko Ikarashi, Yasufumi Takasugi, Akira Saitoh, Yuko Motegi, Takayoshi Kuwajima | 1997-12-16 |
| 5414554 | Optical semiconductor amplifier | — | 1995-05-09 |
| 4794042 | Magnetic recording medium | Yuichi Kubota, Keiji Koga, Kazunori Tamazaki, Akio Watanabe | 1988-12-27 |
| 4741977 | Magnetic sheet | Keiji Koga, Keiko Tsuchiya, Kazunori Tamazaki, Yuichi Kubota | 1988-05-03 |
| 4639098 | Microscope | Taizo Nakamura, Naoyosi Terao, Hirohiko Shinonaga | 1987-01-27 |
| 4322126 | Mechanical optical switching devices | Junichiro Minowa, Yohji Fujii, Kikuo Doi | 1982-03-30 |
| 4303303 | Mechanical optical switching device | — | 1981-12-01 |
| 4239331 | Mechanical optical switching device | — | 1980-12-16 |