Issued Patents All Time
Showing 51–75 of 120 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6816532 | LASER-DIODE-EXCITED LASER APPARATUS, FIBER LASER APPARATUS, AND FIBER LASER AMPLIFIER IN WHICH LASER MEDIUM DOPED WITH ONE OF HO3+, SM3+, EU3+, DY3+, ER3+, AND TB3+IS EXCITED WITH GAN-BASED COMPOUND LASER DIODE | Hisashi Ohtsuka, Takayuki Katoh | 2004-11-09 |
| 6795475 | Solid-state laser apparatus excited by laser light from semiconductor laser unit having increased resonator length | Hisashi Ohtsuka | 2004-09-21 |
| 6764183 | Color laser display employing excitation solid laser unit, fiber laser unit, or semi conductor laser unit | — | 2004-07-20 |
| 6760057 | Optical recording method, apparatus, system and medium using high-power laser light | Toshiro Hayakawa, Nobufumi Mori, Hiroyuki Hiiro | 2004-07-06 |
| 6754007 | One-dimensional optical condensing system, optical lighting system for correcting light intensity distribution, and exposure head | Hiromitsu Yamakawa, Kazuhiko Nagano, Hiromi Ishikawa | 2004-06-22 |
| 6718088 | Multiplex laser light source and exposure apparatus | Kazuhiko Nagano | 2004-04-06 |
| 6717106 | Laser sintering apparatus | Kazuhiko Nagano | 2004-04-06 |
| 6693941 | Semiconductor laser apparatus | Toshiaki Fukunaga | 2004-02-17 |
| 6647029 | Variable-wavelength semiconductor laser device controlled by strength of electric field applied to wavelength selection element | — | 2003-11-11 |
| 6584129 | Single-longitudinal-mode solid laser | Hiroaki Hyuga | 2003-06-24 |
| 6490309 | Laser-diode-pumped laser apparatus in which Pr3+-doped laser medium is pumped with GaN-based compound laser diode | Takayuki Katoh | 2002-12-03 |
| 6433345 | Fluorescence observing apparatus | Katsumi Hayashi, Toshiro Hayakawa | 2002-08-13 |
| 6341139 | Semiconductor-laser-pumped solid state laser | Hisashi Ohtsuka | 2002-01-22 |
| 6314120 | Semiconductor laser pumped solid state laser | Hisashi Ohtsuka, Kiichi Kato | 2001-11-06 |
| 6137815 | Semiconductor laser | Masanori Sasao | 2000-10-24 |
| 6125132 | Laser diode pumped solid state laser, fiber laser and fiber amplifier | — | 2000-09-26 |
| 6058126 | Laser-diode-pumped solid state laser and radiation image read-out system | Hiromi Ishikawa, Hisashi Ohtsuka | 2000-05-02 |
| 6049555 | Laser-diode-pumped solid state laser | Hisashi Ohtsuka, Hiroaki Hyuga | 2000-04-11 |
| 6047014 | Solid state laser and method of manufacturing the same | Hiroaki Hyuga | 2000-04-04 |
| 5949804 | Semiconductor light emission device | — | 1999-09-07 |
| 5933439 | Etalon and single longitudinal mode laser | Hiroaki Hyuga | 1999-08-03 |
| 5848092 | Laser-diode-pumped solid state laser and method of manufacturing the same | Shinji Mitsumoto | 1998-12-08 |
| 5821552 | Radiation image information read apparatus | Hiromi Ishikawa | 1998-10-13 |
| 5744073 | Fabrication of ferroelectric domain reversals | Yasukazu Nihei, Akinori Harada | 1998-04-28 |
| 5699372 | Wavelength-conversion solid-state laser | — | 1997-12-16 |