Issued Patents All Time
Showing 26–50 of 52 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5200800 | Position detecting method and apparatus | Shigeyuki Suda, Kenji Saitoh, Minoru Yoshii | 1993-04-06 |
| 5182615 | Exposure apparatus | Hiroshi Kurosawa, Koji Uda, Kunitaka Ozawa, Shunichi Uzawa, Nobutoshi Mizusawa +2 more | 1993-01-26 |
| 5162656 | Position detecting device employing marks and oblique projection | Masakazu Matsugu, Kenji Saitoh, Shigeyuki Suda, Ryo Kuroda, Yukichi Niwa | 1992-11-10 |
| 5161176 | Exposure apparatus | Ryuichi Ebinuma, Kunitaka Ozawa, Takao Kariya, Shunichi Uzawa | 1992-11-03 |
| 5148038 | Device for detecting positional relationship between two objects | Naoto Abe | 1992-09-15 |
| 5148037 | Position detecting method and apparatus | Shigeyuki Suda, Sakae Houryu | 1992-09-15 |
| 5142156 | Alignment method for printing a pattern of an original onto different surface areas of a substrate | Kunitaka Ozawa, Shunichi Uzawa, Hirohisa Ohta, Makiko Mori | 1992-08-25 |
| 5122660 | Distance measuring system utilizing an object with at least one inclined surface | Minoru Yoshii, Yukichi Niwa, Ryo Kuroda | 1992-06-16 |
| 5116369 | Composition for intraocular lens | Nobuo Kushibiki, Yukichi Niwa, Norio Kaneko | 1992-05-26 |
| 5033856 | Three-dimensional shape measuring apparatus | Yukichi Niwa | 1991-07-23 |
| 5028797 | An alignment system for align first and second objects using alignment marks | Naoto Abe, Shigeyuki Suda, Koji Uda, Hirohisa Ohta | 1991-07-02 |
| 5000572 | Distance measuring system | Minoru Yoshii, Yukichi Niwa, Ryo Kuroda | 1991-03-19 |
| 4985186 | Process for producing optical element | Toshiyuki Nakajima, Eigo Kawakami, Takeshi Baba, Nobuo Kushibiki, Masakazu Matsugu +1 more | 1991-01-15 |
| 4912408 | Distance measuring system using superconducting quantum interference device | Takeshi Sawada, Ryo Kuroda, Yukichi Niwa | 1990-03-27 |
| 4887897 | Eye examining apparatus | Yukichi Niwa | 1989-12-19 |
| 4842408 | Phase shift measuring apparatus utilizing optical meterodyne techniques | Minoru Yoshii, Yukichi Niwa, Yoshimichi Okada | 1989-06-27 |
| 4840473 | Optical device | Nobuo Kushibiki, Toshiyuki Nakajima, Takeshi Baba, Masakazu Matsugu, Yukichi Niwa | 1989-06-20 |
| 4802746 | Variable-focus optical element and focus detecting device utilizing the same | Takeshi Baba, Shigeyuki Suda, Eigo Kawakami, Toshiyuki Nakajima, Nobuo Kushibiki | 1989-02-07 |
| 4783153 | Variable-focus optical device | Nobuo Kushibiki, Takeshi Baba, Toshiyuki Nakajima, Masahiro Okuda | 1988-11-08 |
| 4691982 | Optical coupler | Yukuo Nishimura, Mamoru Miyawaki, Takashi Nakagiri | 1987-09-08 |
| 4595290 | Device for measuring light incident on an optical system | Kiyonobu Endo | 1986-06-17 |
| 4544269 | Device for measuring light incident on an optical system | Kiyonobu Endo | 1985-10-01 |
| 4539482 | Reading apparatus | — | 1985-09-03 |
| 4523801 | Scanning optical system subjected to a moisture proof treatment | Takeshi Baba, Hideo Yoshikawa, Kazuo Minoura, Akinori Hasu, Setsuo Minami +1 more | 1985-06-18 |
| 4486096 | Device for measuring incident light | Kiyonobu Endo | 1984-12-04 |