Issued Patents All Time
Showing 26–50 of 59 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4843387 | Variable capacitance type encoder | Kouji Sasaki, Takanori Ohsaki | 1989-06-27 |
| 4835068 | Magnetic recording medium | Tadashi Yasunaga, Ryuji Shirahata | 1989-05-30 |
| 4724156 | Method of manufacturing magnetic recording medium | Tadashi Yasunaga, Ryuji Shirahata | 1988-02-09 |
| 4700198 | Process for recording information by irradiation of, an deposition on, a substrate | Ryuji Shirahata, Tatsuji Kitamoto | 1987-10-13 |
| 4673610 | Magnetic recording medium having iron nitride recording layer | Ryuji Shirahata, Tadashi Yasunaga | 1987-06-16 |
| 4652460 | Process for preparing magnetic recording medium | Ryuji Shirahata | 1987-03-24 |
| 4652483 | Magnetic recording medium | Akira Nahara, Kiyotaka Fukino | 1987-03-24 |
| 4643915 | Process for producing magnetic recording medium | Ryuji Shirahata | 1987-02-17 |
| 4639815 | Magnetic recording medium with chromiumiron protective layer | Akira Nahara | 1987-01-27 |
| 4626315 | Process of forming ultrafine pattern | Tatsuji Kitamoto, Hiroshi Amari, Akira Nahara, Ryuji Shirahata | 1986-12-02 |
| 4622271 | Magnetic recording medium | Ryuji Shirahata | 1986-11-11 |
| 4609962 | Magnetic recording medium having improved weather resistance | Akira Nahara, Makoto Nagao, Kiyotaka Fukino | 1986-09-02 |
| 4601912 | Method of preparing a magnetic recording medium | Ryuji Shirahata | 1986-07-22 |
| 4594388 | Method of manufacturing shaped articles with excellent heat resistance and adhesiveness to rubber from a composition comprising polyester and epoxidized polybutadiene and adhering said articles to rubber | — | 1986-06-10 |
| 4578868 | Digital display measuring apparatus | Kohji Sasaki, Yasuyuki Yamaguchi, Toshiyuki Matsumoto | 1986-04-01 |
| 4565734 | Magnetic recording medium | Akira Nahara, Kiyotaka Fukino | 1986-01-21 |
| 4557944 | Process of manufacturing a magnetic recording medium | Akira Nahara | 1985-12-10 |
| 4551778 | Magnetic recording media and process of producing them | Akira Nahara | 1985-11-05 |
| 4543275 | Method of forming thin vapor deposited film of organic material | Goro Akashi, Akira Nahara | 1985-09-24 |
| 4543396 | Method of making heat-resistant polyester with phenylene-bis-oxazoline | Takumi Tanaka | 1985-09-24 |
| 4529779 | Method of making heat-resistant polyester with a glycidylisocyanuric acid compound | Takumi Tanaka, Kenji Kamiyama | 1985-07-16 |
| 4521482 | Magnetic recording medium | Akira Nahara | 1985-06-04 |
| 4520174 | Method of making heat-resistant polyester | Takumi Tanaka | 1985-05-28 |
| 4520175 | Method of making heat-resistant polyester by reacting with a N,N,diglycidyl-acidamide | Takumi Tanaka | 1985-05-28 |
| 4495242 | Magnetic recording medium | Akira Nahara | 1985-01-22 |