Issued Patents All Time
Showing 76–85 of 85 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5877900 | Eyepiece with wide field of view | — | 1999-03-02 |
| 5835275 | Catadioptric system for photolithography | Tetsuo Takahashi | 1998-11-10 |
| 5835284 | Catadioptric optical system and adjusting method | Tetsuo Takahashi | 1998-11-10 |
| 5815317 | Eyepiece with broad visibility | — | 1998-09-29 |
| 5805357 | Catadioptric system for photolithography | — | 1998-09-08 |
| 5121634 | Ultrasonic microscope | Yasuo Sasaki, Mitsugu Sakai, Koichi Karaki | 1992-06-16 |
| 5042304 | Ultrasonic microscope | Yasuo Sasaki, Mitsugu Sakai, Koichi Karaki | 1991-08-27 |
| 4986125 | Ultrasonic microscope | Mitsugu Sakai, Koichi Karaki, Yasuo Sasaki | 1991-01-22 |
| 4269052 | Mechanical descaling device | Isao Imai, Hiromasa Hirata, Takao Kawanami | 1981-05-26 |
| 4251956 | Apparatus for descaling metal strip | Hiromasa Hirata, Toyohiko Kirisawa, Takao Kawanami, Michio Sato | 1981-02-24 |