Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8743342 | Reflective imaging optical system, exposure apparatus, and method for producing device | — | 2014-06-03 |
| 8421998 | Optical system, exposure apparatus, and method of manufacturing electronic device | Masayuki Shiraishi | 2013-04-16 |
| 6345022 | Controlling apparatus for a disk data reading unit | Koji Saito | 2002-02-05 |
| 5844873 | Disc reading apparatus having a transferable motor unit and motor power disconnection | Noboru Aoyama, Hiroshi Nakane | 1998-12-01 |
| 5179049 | Heat treating apparatuses for semiconductors and high purity silicon carbide parts for the apparatuses and a method of making thereof | Hideji Numata, Nobuo Kageyama, Koji Furukawa, Ryuhei Makimura | 1993-01-12 |
| 4986349 | Heat exchanger | — | 1991-01-22 |
| 4941140 | Optical disc player | Noboru Aoyama, Kaoru Morinaga | 1990-07-10 |
| 4914647 | Optical disc player | Noboru Aoyama, Kaoru Morinaga | 1990-04-03 |
| 4890276 | Optical disc player | Noboru Aoyama, Kaoru Morinaga | 1989-12-26 |
| 4646302 | Tape recorder with a head position control | — | 1987-02-24 |
| 4624224 | Hydraulic valve lifter | Hisashi Kodama | 1986-11-25 |
| 4616607 | Valve driving device for internal combustion engine | Hisashi Kodama | 1986-10-14 |
| 4554895 | Hydraulic lifter for internal combustion engines | — | 1985-11-26 |
| 4523551 | Valve actuating device | Fuminao Arai, Hisashi Kodama | 1985-06-18 |
| 4509467 | Hydraulic lifter system for variable cylinder engines | Fuminao Arai, Hisashi Kodama | 1985-04-09 |
| 4354991 | Dense sintered silicon carbide ceramic | Keiichiro Suzuki, Nobuhiro Shinohara | 1982-10-19 |
| 4283360 | Process for producing molded ceramic or metal | Ichiro Henmi, Akinori Noda | 1981-08-11 |
| 4205642 | Cover for a ventilation valve | Yutaka Nishimura | 1980-06-03 |
| 4194917 | Fired ceramic having dense and low thermal expansion characteristics | Hiroji Sakemi, Tomohiro Morishita, Hideji Numata | 1980-03-25 |