Issued Patents All Time
Showing 1–25 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11504820 | Gantry type conveying device and processing line | Hiroki Hayashi | 2022-11-22 |
| 10232478 | Tool magazine device and machine tool | Nobuhito Oki, Muneyoshi Horii | 2019-03-19 |
| 7724393 | Judging whether trapping process is required or not | Hiroyuki Segawa | 2010-05-25 |
| 7616344 | Image processing apparatus and method for printing and plate making, and recording medium having image processing program recorded therein for printing and plate making | Hiroyuki Segawa | 2009-11-10 |
| 7525689 | Trapping technique for an image which is configured by allocating a plurality of figures having a relative upper and lower position order | Hiroyuki Segawa, Takuro Matsumura | 2009-04-28 |
| 7414394 | Method of quality-testing a shield film of a magnetoresistive effect head | Masahiro Yasunaga, Takuji Furutani, Hiroshi Maeda, Kiyotsune Yoshimatsu | 2008-08-19 |
| 7113316 | Holographic optical element, position shift detecting apparatus, optical pickup apparatus, optical recording medium drive and method of fabricating holographic optical element | Kazushi Mori, Mitsuaki Matsumoto, Koji Tominaga, Atsushi Tajiri | 2006-09-26 |
| 6917454 | Holographic optical element, position shift detecting apparatus, optical pickup apparatus, optical recording medium drive and method of fabricating holographic optical element | Kazushi Mori, Mitsuaki Matsumoto, Koji Tominaga, Atsushi Tajiri | 2005-07-12 |
| 6909687 | Optical pickup with a diffraction element consist of six regions providing spatial variation corresponding to a focas state | Kazushi Mori, Atsushi Tajiri, Toyozo Nishida, Yasuaki Inoue, Yasuhiro Ueda +1 more | 2005-06-21 |
| 6501715 | Optical pickup apparatus employing an adjusting circuit | Kazushi Mori, Atsushi Tajiri, Yasuaki Inoue, Takenori Goto, Akira Ibaraki +1 more | 2002-12-31 |
| 6339563 | Optical pickup apparatus capable of suppressing offset of a tracking error signal | Kazushi Mori, Atsushi Tajiri, Yasuaki Inoue, Takenori Goto, Akira Ibaraki +1 more | 2002-01-15 |
| 6212150 | Optical pickup apparatus and optical recording medium drive employing the same including a first photo receiving element for detecting the state of light beam and a second photo receiving element for reproducing information | Yasuaki Inoue, Takenori Goto, Atsushi Tajiri, Kazushi Mori, Akira Ibaraki | 2001-04-03 |
| 6181667 | Optical pickup apparatus capable of suppressing offset of a tracking error signal | Kazushi Mori, Atsushi Tajiri, Yasuaki Inoue, Takenori Goto, Akira Ibaraki +1 more | 2001-01-30 |
| 6144623 | Optical pickup apparatus and optical recording medium drive employing the same | Yasuaki Inoue, Takenori Goto, Atsushi Tajiri, Kazushi Mori, Akira Ibaraki +1 more | 2000-11-07 |
| 6023448 | Optical pickup device and optical recording medium driving apparatus comprising the same | Atsushi Tajiri, Takenori Goto, Yasuaki Inoue, Kazushi Mori, Akira Ibaraki | 2000-02-08 |
| 5751027 | Field effect semiconductor device with a low-noise drift layer and a high-power drift layer | Yasoo Harada | 1998-05-12 |
| 5751029 | Field-effect semiconductor device having heterojunction | Shigeharu Matsushita, Daijirou Inoue, Kohji Matsumura, Yasoo Harada | 1998-05-12 |
| 5724459 | Optical modulation device and fiber optic communication system | Seiichi Banba, Yasoo Harada | 1998-03-03 |
| 5689578 | Polarized wave holding optical fiber, production method therefor, connection method therefor, optical amplifier, laser oscillator and polarized wave holding optical fiber coupler | Ryozo Yamauchi, Kuniharu Himeno, Fumio Suzuki, Kazuhiko Aikawa, Tetsuo Nozawa +1 more | 1997-11-18 |
| 5650642 | Field effect semiconductor device | Shigeharu Matsushita, Satoshi Terada, Emi Fujii, Yasoo Harada | 1997-07-22 |
| D378769 | Top spinner | Tsuyoshi Nonaka | 1997-04-08 |
| 5593338 | Spinner and adapter for toy tops and combination of spinner and toy top | Keisuke ITOH | 1997-01-14 |
| 5518437 | Toy top and drive unit for spinning the top | Tsuyoshi Nonaka | 1996-05-21 |
| 5404032 | Field-effect semiconductor device | Yasoo Harada | 1995-04-04 |
| D356347 | Top | Tsuyoshi Nonaka | 1995-03-14 |