Issued Patents All Time
Showing 26–46 of 46 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6798733 | Optical recording method and medium | Hiroyasu Inoue, Hajime Utsunomiya, Tatsuya Kato | 2004-09-28 |
| 6731590 | Optical recording medium containing a substrate, an intermediate layer having therein an amorphous material, the intermediate layer having a reflective layer thereon | Hideki Hirata | 2004-05-04 |
| 6677104 | Optical information medium | Tetsuro Mizushima, Hiroyasu Inoue, Hajime Utsunomiya | 2004-01-13 |
| 6618349 | Optical recording medium and its designing method | Hiroyasu Inoue, Hajime Utsunomiya, Tetsuro Mizushima, Tatsuya Kato | 2003-09-09 |
| 6605328 | Optical recording medium | Hiroyasu Inoue, Tatsuya Kato, Hajime Utsunomiya, Yoshitomo Tanaka | 2003-08-12 |
| 6495308 | Optical recording method and optical recording medium | Hajime Utsunomiya, Hiroyasu Inoue, Tetsuro Mizushima | 2002-12-17 |
| 6430128 | Method for reading optical information medium and optical information medium | Tatsuya Kato, Hajime Utsunomiya, Takashi Kikukawa | 2002-08-06 |
| 6403193 | Optical recording medium | Hideki Hirata, Tatsuya Kato | 2002-06-11 |
| 6333913 | Optical recording medium and optical recording method | Jiro Yoshinari, Takuya Tsukagoshi | 2001-12-25 |
| 6195326 | Phase-change type medium for use in high density recording | Jiro Yoshinari, Takuya Tsukagoshi | 2001-02-27 |
| 6111849 | Phase change optical recording medium, method of overwriting same and recording system for the overwriting | Jiro Yoshinari, Masanori Kosuda, Takashi Kikukawa | 2000-08-29 |
| 6103330 | Optical recording medium and fabrication method therefor | Masanori Kosuda, Hajime Utsunomiya, Takuya Tsukagoshi | 2000-08-15 |
| 6096399 | Optical recording medium | Jiro Yoshinari, Masanori Kosuda | 2000-08-01 |
| 6071587 | Optical recording medium and its recording method | Jiro Yoshinari, Masanori Kosuda, Hiroshi Chihara | 2000-06-06 |
| 6051363 | Method for making an optical recording medium | Hajime Utsunomiya, Masanori Kosuda | 2000-04-18 |
| 6042921 | Optical recording medium and read/write method therefor | Jiro Yoshinari, Masanori Kosuda, Shinji Miyazaki | 2000-03-28 |
| 6030679 | Optical recording material and its fabrication method | Takao Saito, Tatsuya Kato, Hajime Utsunomiya, Katsuaki Yanagiuchi | 2000-02-29 |
| 5981014 | Optical recording medium and method for preparing the same | Takuya Tsukagoshi, Masanori Kosuda | 1999-11-09 |
| 5482791 | Fuel cell/gas turbine combined power generation system and method for operating the same | Hideo Nishigaki | 1996-01-09 |
| 5096674 | Endothermic reaction apparatus | — | 1992-03-17 |
| 4353217 | Direct contact type multi-stage steam condenser system | Ryozo Nishioka, Yoshihiro Kizawa | 1982-10-12 |