Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7027385 | Optical disk, disk substrate, and drive | Katsusuke Shimazaki, Yuuji Yamazaki, Hikaru Mizutani, Tsuyoshi Maro, Kenji Ohta +1 more | 2006-04-11 |
| 6687216 | Cartridge in which disk is stored | Hiroshi Nakashima, Noriaki Kitani, Takao Enomoto, Hikaru Mizutani, Kenji Ohta +1 more | 2004-02-03 |
| 6191366 | Board for IC card having component mounting recess | Masayoshi Onishi, Seiji Kegai, Koichi Ozaki, Kaname Tamada | 2001-02-20 |
| D435854 | Disc cartridge | Hikaru Mizutani, Kenji Ohta, Noriaki Kitani, Takao Enomoto, Hiroshi Nakashima +2 more | 2001-01-02 |
| 5725819 | Injection molding method for board for IC card | Masayoshi Onishi, Seiji Kegai, Koichi Ozaki, Kaname Tamada | 1998-03-10 |
| 5338713 | Sintered body of alumina and partially stabilized zirconia, a process for making the same and a method of preparing a powder for sintering | Masanobu Awano, Yuzi Hoshi | 1994-08-16 |
| 5177033 | Sintered body of light transmitting cordierite and a method of preparing the same | Masanobu Awano, Michihide Machida, Yuzi Hoshi, Masamichi Obitsu | 1993-01-05 |
| 5002912 | Oxide sintered product | Masanobu Awano, Yoshitaka Kubota, Yuzi Hoshi | 1991-03-26 |
| 4741496 | Tape cartridge | Hikaru Mizutani, Toshiyuki Amaike, Harutaka Hayashi | 1988-05-03 |
| 4556153 | Magnetic recording tape cartridge | Toshiyuki Amaike, Hikaru Mizutani | 1985-12-03 |
| 4553717 | Recording tape cartridge | — | 1985-11-19 |
| 4463918 | Magnetic recording tape cartridge | — | 1984-08-07 |
| 4447020 | Magnetic recording tape cartridge | Mitsuharu Toi | 1984-05-08 |
| 4367292 | Method for manufacture of powder composition for cordierite | Shiro Sano | 1983-01-04 |