Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7203326 | Noise suppressing apparatus | Yasushi Yamazaki | 2007-04-10 |
| RE38465 | Exposure apparatus | Mikihiko Ishii, Issey Tanaka | 2004-03-16 |
| 6704415 | Echo canceler | Hiroshi Katayama, Yasushi Yamazaki, Yoshihiro Tomita, Mutsumi Saito, Hisanari Kimura | 2004-03-09 |
| 6522753 | Active noise control method and receiver device | Yasushi Yamazaki | 2003-02-18 |
| RE37846 | Projection optical system and exposure apparatus using the same | Misako Kobayashi, Kazumasa Endo, Yutaka Suenaga | 2002-09-17 |
| 6104544 | Exposure apparatus | Mikihiko Ishii, Issey Tanaka | 2000-08-15 |
| 6084723 | Exposure apparatus | Koji Shigematsu, Kazumasa Endo, Yutaka Suenaga | 2000-07-04 |
| 6078881 | Speech encoding and decoding method and speech encoding and decoding apparatus | Yasuji Ota, Masanao Suzuki | 2000-06-20 |
| 5909662 | Speech processing coder, decoder and command recognizer | Yasushi Yamazaki, Tomohiko Taniguchi, Tomonori Sato, Chiharu Kawai | 1999-06-01 |
| 5835285 | Projection optical system and exposure apparatus using the same | Misako Kobayashi, Kazumasa Endo, Yutaka Suenaga | 1998-11-10 |
| 5831770 | Projection optical system and exposure apparatus provided therewith | Yutaka Suenaga | 1998-11-03 |
| 5781278 | Projection optical system and exposure apparatus with the same | Yutaka Suenaga, Misako Kobayashi | 1998-07-14 |