Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12027820 | Surface-emitting laser and method of manufacturing the same | — | 2024-07-02 |
| 7851724 | Laser exposure apparatus and laser annealing apparatus | — | 2010-12-14 |
| 7444083 | Optical fiber transmission system with a plural emitting point transmitter | Yuichi Ohashi, Kenji Matsumoto, Yoshisada Nakamura, Mikihiko Kato, Osamu Ueno +4 more | 2008-10-28 |
| 7436517 | Optical measuring apparatus | — | 2008-10-14 |
| 7429138 | Optical connection method and optical transmission apparatus | Yoshisada Nakamura, Hiroki Takahashi, Takanori Sato, Kenji Matsumoto | 2008-09-30 |
| 6760057 | Optical recording method, apparatus, system and medium using high-power laser light | Toshiro Hayakawa, Nobufumi Mori, Yoji Okazaki | 2004-07-06 |
| 6385229 | Laser | — | 2002-05-07 |
| 6341136 | Optical beam deflector modifying phases of respective portions of optical beam by two arrays of optical phase modulators | — | 2002-01-22 |
| 6163558 | Laser system for rotating amplitude distribution of output light | — | 2000-12-19 |
| 5661747 | Laser apparatus | — | 1997-08-26 |
| 5617246 | Polarized light coherent combining laser apparatus | — | 1997-04-01 |
| 5600666 | Laser beam scanning radiating apparatus | — | 1997-02-04 |
| 5404365 | Polarized light coherent combining laser apparatus | — | 1995-04-04 |
| 5048030 | Light amplifying device | — | 1991-09-10 |
| 4993813 | Optical amplifier | — | 1991-02-19 |
| 4993812 | Semiconductor laser optical system | Hiroshi Matsuoka, Hidetoshi Shinada | 1991-02-19 |
| 4971412 | Laser optical system having a phase correction for controlling intensity distribution | — | 1990-11-20 |
| 4966443 | Light beam scanner | — | 1990-10-30 |
| 4963003 | Laser optical system | — | 1990-10-16 |
| 4855761 | Light beam recorder with an afocal anamorphic optical amplifier | — | 1989-08-08 |