Issued Patents All Time
Showing 76–100 of 182 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6367924 | Thermally assisted magnetic recording medium | Junichi Sato, Yasushi Ogimoto, Kunio Kojima, Masaki Hamamoto, Shinzo Sawamura | 2002-04-09 |
| 6333827 | Magnetic signal reproducing device, magnetic signal reproducing method and magnetic recording medium for high density reproduction | Masaki Hamamoto, Kunio Kojima, Shinzo Sawamura, Junichi Sato | 2001-12-25 |
| 6327227 | Magnetic recorder/reproduction apparatus including a selective temperature controller and magnetic recording reproduction method including selective temperature control | — | 2001-12-04 |
| 6190630 | Flue gas treating process and apparatus | Masakazu Onizuka, Toru Takashina, Kiyoshi Okazoe | 2001-02-20 |
| 6184476 | Thin multi-layer circuit board having a remodeling pad layer and a metallic barrier layer with an exclusion zone | Yasuhito Takahashi, Yasunaga Kurokawa, Kenji Iida, Masaru Sumi, Yuichiro Ohta +3 more | 2001-02-06 |
| 5989671 | Optical recording medium and manufacturing method thereof | Junichiro Nakayama, Akira Takahashi, Kenji Ohta, Kazuo Van | 1999-11-23 |
| 5982409 | Optical probe element, and a recording and reproduction device using the optical probe element | Junji Hirokane, Akira Takahashi | 1999-11-09 |
| 5962126 | Method and apparatus for reproducing data from a magneto-optical recording medium having a readout layer, transfer layer and recording layer | Michinobu Mieda, Akira Takahashi, Kenji Ohta | 1999-10-05 |
| 5932364 | Magneto-optical recording medium, method of recording and reproducing information in and from said magneto-optical recording medium and method of producing said mageto-optical recording medium | Junji Hirokane, Akira Takahashi, Kenji Ohta | 1999-08-03 |
| 5889810 | Apparatus for preheating and melting of scrap and process for the same | Kenro Sato, Akio Kasama, Yasushi Okumura, Yoji Demoto, Shinya Kitamura +1 more | 1999-03-30 |
| 5873313 | Magnetic separator and pulverized coal combustion apparatus using the same | Masaharu Minami, Takuya Kimura | 1999-02-23 |
| 5863649 | Magneto-optical recording medium | Junji Hirokane, Akira Takahashi, Kenji Ohta | 1999-01-26 |
| 5767891 | Method of manufacturing an optical probe element | Junji Hirokane, Akira Takahashi | 1998-06-16 |
| 5738765 | Magneto-optic memory device | Kenji Ohta, Akira Takahashi, Junji Hirokane, Hideyoshi Yamaoka | 1998-04-14 |
| 5719831 | Magneto-optical recording medium cartridge which employs magnets | Junichiro Nakayama, Michinobu Mieda, Akira Takahashi, Kenji Ohta | 1998-02-17 |
| 5714251 | Magneto-optic memory device | Kenji Ohta, Akira Takahashi, Junji Hirokane, Hideyoshi Yamaoka | 1998-02-03 |
| 5707727 | Magneto-optical recording medium | Akira Takahashi, Yoshiteru Murakami, Junsaku Nakajima, Kenji Ohta, Junichiro Nakayama +1 more | 1998-01-13 |
| 5705286 | Magneto-optical recording medium | Junji Hirokane, Yoshiteru Murakami, Akira Takahashi, Kenji Ohta | 1998-01-06 |
| 5691963 | Magneto-optical recording device using light-modulated technic without an initial magnetic field | Junji Hirokane, Akira Takahashi, Kenji Ohta | 1997-11-25 |
| 5680376 | Optical recording medium, and apparatus and method for recording and reproducing information on the same | Junji Hirokane, Akira Takahashi, Kenji Ohta | 1997-10-21 |
| 5679268 | Thin multi-layer circuit board and process for fabricating the same | Yasuhito Takahashi, Yasunaga Kurokawa, Kenji Iida, Masaru Sumi, Yuichiro Ohta +3 more | 1997-10-21 |
| RE35629 | Magneto-optical memory element | Yoshiteru Murakami, Akira Takahashi, Kazuo Van, Junichiro Nakayama, Kenji Ohta | 1997-10-14 |
| 5674583 | Optical recording medium and manufacturing method thereof | Junichiro Nakayama, Akira Takahashi, Kenji Ohta, Kazuo Van | 1997-10-07 |
| 5665467 | Magneto-optical recording medium | Junichiro Nakayama, Michinobu Mieda, Akira Takahashi, Kenji Ohta | 1997-09-09 |
| 5662988 | Magneto-optical recording medium | Junichiro Nakayama, Akira Takahashi, Kenji Ohta, Yoshiteru Murakami | 1997-09-02 |