Issued Patents All Time
Showing 51–58 of 58 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6869788 | DNA encoding novel D-aminoacylase and process for producing D-amino acid by using the same | Masami Osabe, Toshifumi Yamaki, Teruo Arii, Toshihiro Oikawa | 2005-03-22 |
| 6659729 | Screw compressor equipment for accommodating low compression ratio and pressure variation and the operation method thereof | Toshiro Hattori, Kiyoshi Tanaka | 2003-12-09 |
| 6338888 | Optical recording medium and method of information recording/reproduction using the same | Yoshiyuki Takase, Yoshihiro Tosaki | 2002-01-15 |
| 6287660 | Optical recording medium and its substrate | Tomiharu Hosaka, Yoshihiro Tosaki, Toshiaki Kunieda, Yukako Doi | 2001-09-11 |
| 5975193 | Heat exchanger | Hideo Tokita, Shinji Ito, Toshinori Tokutake, Kanji Takasaki | 1999-11-02 |
| 5629456 | Method of preparing a fluorene derivative and the method of purifying thereof | Mitsuaki Yamada, Katsuhide Okimi, Norio Nagano | 1997-05-13 |
| 5177592 | Semiconductor device | Kenji Kodera, Mutsumi Sasaki | 1993-01-05 |
| 5122847 | Non-volatile semiconductor memory with CVD tunnel oxide | Masaaki Kamiya, Yukihiro Imura | 1992-06-16 |