Issued Patents All Time
Showing 25 most recent of 92 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7651931 | Laser beam projection mask, and laser beam machining method and laser beam machine using same | Masanori Seki, Hiroshi Tsunasawa, Yoshihiro Taniguchi | 2010-01-26 |
| 7381632 | Semiconductor thin film crystallization device and semiconductor thin film crystallization method | Tetsuya Inui, Yoshihiro Taniguchi, Masanori Seki, Hiroshi Tsunasawa, Ikumi Kashiwagi | 2008-06-03 |
| 6744201 | Plasma information display element and method for producing the same | Masanobu Tanaka | 2004-06-01 |
| 6677924 | Liquid crystal data display device | — | 2004-01-13 |
| 6665235 | Magneto-optical recording medium and recording and reproducing method and optical head designed for the magneto-optical recording medium | Yoshiteru Murakami, Junji Hirokane, Junsaku Nakajima, Akira Takahashi, Kenji Ohta +1 more | 2003-12-16 |
| 6483785 | Magneto-optical recording method using the relation of beam diameter and an aperture of converging lens | Yoshiteru Murakami, Junji Hirokane, Junsaku Nakajima, Akira Takahashi, Kenji Ohta +1 more | 2002-11-19 |
| 6295271 | Optical recording medium having tracks, each track having a plurality of wobble sections/one-side wobble regions | Tetsuya Inui, Hideaki Sato, Naoyasu Iketani, Michinobu Mieda, Yoshiteru Murakami +2 more | 2001-09-25 |
| 6261707 | Magneto-optical recording medium and recording and reproducing method and optical head designed for the magneto-optical recording medium | Yoshiteru Murakami, Junji Hirokane, Junsaku Nakajima, Akira Takahashi, Kenji Ohta +1 more | 2001-07-17 |
| 6177762 | Plasma display panel having mixed gases to counteract sputtering effects | — | 2001-01-23 |
| 6130504 | Plasma addressing display device and method for producing the same | Kensuke Goto, Tadashi Une, Satoru Ariyoshi, Kunio Kojima, Yoshihiko Minamiyama +1 more | 2000-10-10 |
| 6042954 | Magneto-optical recording medium | Junji Hirokane, Junsaku Nakajima, Akira Takahashi | 2000-03-28 |
| 6031816 | Optical recording medium, method for manufacturing the same, and optical information recording and reproducing device used with respect to the same | Tetsuya Inui, Hideaki Sato, Naoyasu Iketani, Michinobu Mieda, Yoshiteru Murakami +2 more | 2000-02-29 |
| 6010780 | Magneto-optical memory medium | Go Mori, Michinobu Mieda, Akira Takahashi | 2000-01-04 |
| 6001467 | Magneto-optic memory medium | Kenji Ohta, Akira Takahashi, Yoshiteru Murakami, Tomoyuki Miyake | 1999-12-14 |
| 5989671 | Optical recording medium and manufacturing method thereof | Hiroyuki Katayama, Akira Takahashi, Kenji Ohta, Kazuo Van | 1999-11-23 |
| 5991259 | Optical disk with tracking guide of wind and unwind portions | Naoyasu Iketani, Michinobu Mieda, Yoshiteru Murakami, Akira Takahashi | 1999-11-23 |
| 5982713 | Magneto-optical recording medium | Junji Hirokane, Michinobu Mieda, Akira Takahashi | 1999-11-09 |
| 5939187 | Magneto-optical recording medium | Junji Hirokane, Akira Takahashi | 1999-08-17 |
| 5936916 | Magneto-optical recording medium with multiple magnetic layers and methods related thereto | Michinobu Mieda, Junji Hirokane, Akira Takahashi | 1999-08-10 |
| 5933411 | Optical recording medium having a wobbling section for recording address information and methods of recording and reproduction using same | Tetsuya Inui, Hideaki Sato, Naoyasu Iketani, Michinobu Mieda, Yoshiteru Murakami +2 more | 1999-08-03 |
| 5909412 | Method for reproducing optical disk | Naoyasu Iketani, Michinobu Mieda, Yoshiteru Murakami, Akira Takahashi | 1999-06-01 |
| 5889740 | Magneto-optical recording medium and magneto-optical recording method | Go Mori, Naoyasu Iketani, Akira Takahashi | 1999-03-30 |
| 5838645 | Magneto-optical recording medium having a plurality of magnetic layers | Junji Hirokane, Michinobu Mieda, Akira Takahashi | 1998-11-17 |
| 5828512 | Information processing apparatus having a floating-type head | Katsuo Wada, Miyuki Onishi, Tomoyuki Miyake, Takashi Iwaki, Takeshi Yamaguchi | 1998-10-27 |
| 5825723 | Magneto-optical recording medium having a reproducing layer with different magnetization directions in different temperature ranges | Junji Hirokane, Akira Takahashi | 1998-10-20 |