Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8128731 | Method for separating and enriching isotope material, multistage rotor, and apparatus for separating and enriching isotope material | Tsutomu Mashimo, Masao Ono, Xinsheng Huang, Yusuke Iguchi, Satoru Okayasu +2 more | 2012-03-06 |
| 7282610 | Method of producing aromatic amine compound having alkylthio group | Hideto Mori | 2007-10-16 |
| 5574881 | High capacity data storage method and system using independently controlled heads and circuitry for monitoring access frequency of data records | Yoshito Tsunoda, Takeshi Maeda, Yoshihisa Kamo, Hiromichi Fujisawa, Zenji Tsutsumi +1 more | 1996-11-12 |
| 5404348 | Method for recording and reproducing information using at least two energy beams | Motoyasu Terao, Kunikazu Ohnishi, Tesuya Nishida, Keikichi Ando, Norio Ohta +3 more | 1995-04-04 |
| 5257256 | Recording waveform for mark-length modulation optical recording | Motoyasu Terao, Tetsuya Nishida, Keikichi Andoo, Norio Ohta | 1993-10-26 |
| 5235591 | Stack type optical disc apparatus, sealed and separate type optical head therefor and optical disc medium | Shigeru Nakamura, Eiichi Seya, Seiichi Mita, Masuo Kasai, Masahiro Ojima +5 more | 1993-08-10 |
| 5109374 | Small-sized optical memory device and information processing apparatus utilizing cylindrically shaped information recording medium | Yoshito Tsunoda, Takeshi Maeda | 1992-04-28 |
| 5084857 | Information recording method using a modulated recording beam at high, intermediate and low power levels | Yasushi Miyauchi, Motoyasu Terao, Tetsuya Nishida, Keikichi Andoo | 1992-01-28 |
| 5038338 | Recording waveform for mark-length modulation optical recording | Motoyasu Terao, Tetsuya Nishida, Keikichi Andoo, Norio Ohta | 1991-08-06 |
| 4984231 | Optical information phase change recording medium having double protective layer | Norio Murase, Motoyasu Terao, Tetsuya Nishida, Keikichi Andoo, Masahiro Ojima | 1991-01-08 |
| 4982396 | Information recording medium and apparatus using reversible phase change | Masahiro Ojima, Motoyasu Terao, Tetsuya Nishida, Keikichi Andoo | 1991-01-01 |