Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE33669 | Aligning exposure method | Noboru Nomura, Koichi Kugimiya, Takayoshi Matsumura | 1991-08-20 |
| 4991919 | Optical head apparatus including concentric, periodic grating in a waveguide | Seiji Nishiwaki, Yoshinao Taketomi, Shinji Uchida, Takaaki Tomita, Sadao Mizuno | 1991-02-12 |
| 4835070 | Magnetic recording medium and method of producing the same | Hideo Kurokawa, Tsutomu Mitani, Kazuo Yokoyama | 1989-05-30 |
| 4833031 | Magnetic recording medium | Hideo Kurokawa, Tsutomu Mitani, Masaru Odagiri | 1989-05-23 |
| 4717622 | Magnetic recording media | Hideo Kurokawa, Tsutomu Mitani | 1988-01-05 |
| 4645977 | Plasma CVD apparatus and method for forming a diamond like carbon film | Hideo Kurokawa, Tsutomu Mitani | 1987-02-24 |
| 4636077 | Aligning exposure method | Noboru Nomura, Koichi Kugimiya, Takayoshi Matsumura | 1987-01-13 |
| 4523102 | Solid-state color-image sensor and process for fabricating the same | Ogawa Kazufumi, Shigeru Kondo, Yoshiko Yasuda, Isamu Kitahiro | 1985-06-11 |
| 4418284 | Solid-state color-image sensor and process for fabricating the same | Kazufumi Ogawa, Shigeru Kondo, Yoshiko Yasuda, Isamu Kitahiro | 1983-11-29 |
| 4388128 | Solid-state color-image sensor and process for fabricating the same | Kazufumi Ogawa, Shigeru Kondo, Yoshiko Yasuda, Isamu Kitahiro | 1983-06-14 |
| 4358295 | Polishing method | Yoshiharu Namba | 1982-11-09 |
| 4238215 | Magnetic head and method for preparing the same | Kazuo Yokoyama, Ryuji Nichiyama | 1980-12-09 |