Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5744011 | Sputtering apparatus and sputtering method | Michiko Okubo, Naoyuki Inoue, Katsutaro Ichihara | 1998-04-28 |
| 5560776 | Plasma discharge generating antenna | Hideo Sugai, Katsutaro Ichihara, Michiko Okubo | 1996-10-01 |
| 4954841 | Optical recording medium and method of manufacturing the same | Katsutarou Ichihara, Norio Ozawa | 1990-09-04 |
| 4922462 | Reversible memory structure for optical reading and writing and which is capable of erasure | Sumio Ikegawa, Yoshiaki Terashima, Katsutarou Ichihara, Shuichi Komatsu, Shinji Arai | 1990-05-01 |
| 4855992 | Reversible optical recording medium with an optothermally deformable recording layer | Sumio Ikegawa, Akio Hori, Shuichi Komatsu, Shinji Arai | 1989-08-08 |
| 4845000 | Radiation sensitive carrier body utilized as stamper structure | Yoshikatsu Takeoka, Akio Hori, Norio Ozawa | 1989-07-04 |
| 4839861 | Information recording medium rewritable by utilizing two metastable phases of a recording layer and method using the same | Sumio Ikegawa, Shuichi Komatsu, Shinji Arai, Sumio Ashida | 1989-06-13 |
| 4832980 | Magneto-optical recording medium and manufacturing thereof | Katsutarou Ichihara, Yoshiaki Terashima, Senji Shimanuki | 1989-05-23 |
| 4782477 | Optical recording medium with fluorine resin adhesive | Katsutarou Ichihara, Yoshiaki Terashima, Akio Hori | 1988-11-01 |
| 4756811 | Method for manufacturing bubble-mode optical recording media | Yoshikatsu Takeoka, Norio Ozawa | 1988-07-12 |
| 4735888 | Information recording medium and manufacturing method thereof | Yoshikatsu Takeoka, Norio Ozawa | 1988-04-05 |
| 4702991 | Optical type information recording medium and manufacturing method thereof | Yoshikatsu Takeoka, Norio Ozawa | 1987-10-27 |
| 4666759 | Data recording medium | Hideki Ohkawa, Katsutarou Ichihara, Yoshiaki Terashima | 1987-05-19 |
| 4663008 | Method of producing an optical information recording medium | Yoshikatsu Takeoka, Norio Ozawa | 1987-05-05 |
| 4647947 | Optical protuberant bubble recording medium | Yoshikatsu Takeoka | 1987-03-03 |
| 4565772 | Process of using radiation-sensitive carrier body to form stamper structure and subsequent use as a stamper to make optical disks | Yoshikatsu Takeoka, Akio Hori, Norio Ozawa | 1986-01-21 |
| 4478768 | Method for manufacturing optical type recording medium | Yoshikatsu Takeoka | 1984-10-23 |
| 4447825 | III-V Group compound semiconductor light-emitting element having a doped tantalum barrier layer | Yasuhisa Oana, Masato Yamashita, Norio Ozawa | 1984-05-08 |
| 4433340 | Optical recording medium | Masao Mashita, Tomoyuki Ishibshi, deceased, Satoshi Ishibashi | 1984-02-21 |
| 4397923 | Method of manufacturing an optical recording element | Yoshinori Fujimori, Masaaki Morita | 1983-08-09 |
| 4343862 | Optical recording element and a method of manufacturing the same | Yoshinori Fujimori, Masaaki Morita | 1982-08-10 |
| 4228455 | Gallium phosphide semiconductor device having improved electrodes | Takenobu OGAWA, Tetsuo Sadamasa | 1980-10-14 |