Issued Patents All Time
Showing 1–25 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8766275 | Composite semiconductor device | Tomohiro Nozawa, Yoshiaki Nozaki, John Twynam, Hiroshi Kawamura, Keiichi Sakuno | 2014-07-01 |
| 7690009 | Electromagnetic field generating element, information recording/reproducing head and information recording/reproduction apparatus | Shintaro Miyanishi, Kunio Kojima | 2010-03-30 |
| 7489597 | Electromagnetic field generating element, information recording/reproducing head, and information recording/reproducing apparatus | Shintaro Miyanishi, Kunio Kojima | 2009-02-10 |
| 6707766 | Magneto-optical storage media | Go Mori, Michinobu Mieda, Akira Takahashi | 2004-03-16 |
| 6665235 | Magneto-optical recording medium and recording and reproducing method and optical head designed for the magneto-optical recording medium | Yoshiteru Murakami, Junji Hirokane, Junichiro Nakayama, Junsaku Nakajima, Akira Takahashi +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, Junichiro Nakayama, Junsaku Nakajima, Akira Takahashi +1 more | 2002-11-19 |
| 6477120 | Magneto-optical recording medium | Go Mori, Michinobu Mieda, Akira Takahashi | 2002-11-05 |
| 6456586 | Magneto-optical recording medium and process for producing the same | Ippei Suzuki, Yoshiteru Murakami, Akira Takahashi | 2002-09-24 |
| 6388956 | Magneto-optical storage media | Go Mori, Michinobu Mieda, Akira Takahashi | 2002-05-14 |
| 6338911 | Magneto-optical recording medium | Go Mori, Michinobu Mieda, Akira Takahashi | 2002-01-15 |
| 6298018 | Optical recording and reproducing method optical recording and reproducing device, and optical recording medium | Akira Takahashi, Yoshiteru Murakami, Ippei Suzuki, Go Mori, Shinya Hirata | 2001-10-02 |
| 6295271 | Optical recording medium having tracks, each track having a plurality of wobble sections/one-side wobble regions | Tetsuya Inui, Hideaki Sato, Junichiro Nakayama, Michinobu Mieda, Yoshiteru Murakami +2 more | 2001-09-25 |
| 6272077 | Magneto-optical recording medium having intermediate layer of in plane magnetization | Akira Takahashi, Michinobu Mieda, Go Mori, Junsaku Nakajima, Yoshiteru Murakami +1 more | 2001-08-07 |
| 6261707 | Magneto-optical recording medium and recording and reproducing method and optical head designed for the magneto-optical recording medium | Yoshiteru Murakami, Junji Hirokane, Junichiro Nakayama, Junsaku Nakajima, Akira Takahashi +1 more | 2001-07-17 |
| 6147939 | Magneto-optical recording medium having intermediate layer of in-plane magnetization | Akira Takahashi, Michinobu Mieda, Go Mori, Junsaku Nakajima, Yoshiteru Murakami +1 more | 2000-11-14 |
| 6128274 | Optical recording disk capable of suppressing bimetallic effects caused by thermal expansion | Go Mori, Michinobu Mieda, Ippei Suzuki, Yoshiteru Murakami, Akira Takahashi | 2000-10-03 |
| 6122233 | Optical disk having virtually constant width recording track and optical disk apparatus | Go Mori, Michinobu Mieda, Yoshiteru Murakami, Junji Hirokane, Akira Takahashi | 2000-09-19 |
| 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, Junichiro Nakayama, Michinobu Mieda, Yoshiteru Murakami +2 more | 2000-02-29 |
| 5991259 | Optical disk with tracking guide of wind and unwind portions | Junichiro Nakayama, Michinobu Mieda, Yoshiteru Murakami, Akira Takahashi | 1999-11-23 |
| 5982715 | Magneto-optical recording medium having a signal reproducing region of the reproducing layer larger than the record bit in the recording layer | Go Mori, Michinobu Mieda, Ippei Suzuki, Junji Hirokane, Akira Takahashi | 1999-11-09 |
| 5933411 | Optical recording medium having a wobbling section for recording address information and methods of recording and reproduction using same | Tetsuya Inui, Hideaki Sato, Junichiro Nakayama, Michinobu Mieda, Yoshiteru Murakami +2 more | 1999-08-03 |
| 5922177 | Magneto-optical recording medium and producing method thereof | Yoshiteru Murakami, Akira Takahashi, Kenji Ohta | 1999-07-13 |
| 5909412 | Method for reproducing optical disk | Junichiro Nakayama, Michinobu Mieda, Yoshiteru Murakami, Akira Takahashi | 1999-06-01 |
| 5901118 | Magneto-optical recording medium having a readout layer and a recording layer | Yoshiteru Murakami, Junji Hirokane, Akira Takahashi | 1999-05-04 |
| 5889740 | Magneto-optical recording medium and magneto-optical recording method | Junichiro Nakayama, Go Mori, Akira Takahashi | 1999-03-30 |