Issued Patents All Time
Showing 26–42 of 42 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5225955 | Disk-shaped magnetic recording medium having novel textured surface | Motoyuki Ito, Tadashi Shinohara | 1993-07-06 |
| 5202129 | Process for micronizing slightly-soluble drug | Masayoshi Samejima, Masao Kobayashi, Takashi Osawa | 1993-04-13 |
| 5185729 | Optical head with improved tracking and focusing error capabilities | Eiichi Nakamura, Hiroaki Nishiguma | 1993-02-09 |
| 5184340 | Method and apparatus for recording and reproducing information on an optical medium | Kenjiro Kachi | 1993-02-02 |
| 5153863 | Apparatus for optically recording and reproducing information | Koichi Yamazaki | 1992-10-06 |
| 5137733 | Controlled release pharmaceutical preparation | Masao Kobayashi, Takashi Osawa, Shigeyuki Ishikawa | 1992-08-11 |
| 5123003 | Optical information reproducing apparatus | Koichi Yamazaki | 1992-06-16 |
| 5107102 | Arrangement for detecting a signal for effecting a focus control of an optical head | Koichi Yamazaki, Eiichi Nakamura, Tetsuya Honda | 1992-04-21 |
| 5084851 | Optical head for recording and playing back optical information | Eiichi Nakamura | 1992-01-28 |
| 5068112 | Controlled release pharmaceutical preparation and method for producing the same | Masayoshi Samejima, Yoshiyuki Hirakawa, Hiroyuki Yoshino | 1991-11-26 |
| 5023439 | Arrangement for detecting a signal for effecting a focus control of an optical head | Koichi Yamazaki, Eiichi Nakamura, Tetsuya Honda | 1991-06-11 |
| 4992834 | Cleaning blade arrangement for image forming apparatus | Akira Yamamoto, Takahisa Yamada, Tadashi Nishio | 1991-02-12 |
| 4974033 | Two-side image recording apparatus | Takahisa Yamada, Tadashi Nishio, Akira Yamamoto | 1990-11-27 |
| 4963365 | Controlled release dosage form | Masayoshi Samejima, Masao Kobayashi, Shigeyuki Ishikawa | 1990-10-16 |
| 4854493 | Method and apparatus for cutting welding steel strips | Mamoru Fujii, Shoji Nagasaka, Hiroshi Tajika, Koji Ono | 1989-08-08 |
| 4840303 | Method and apparatus for cutting and welding steel strips | Mamoru Fujii, Shoji Nagasaka, Hiroshi Tajika, Koji Ono | 1989-06-20 |
| 4530591 | Original conveying apparatus for copying machine | Takashi Mastuyama | 1985-07-23 |