Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7516324 | Information processing system, information management apparatus, and information processing apparatus | Takeshi Funahashi | 2009-04-07 |
| 7020283 | Random number generation apparatus and random number generation method | Takuya Wada | 2006-03-28 |
| 6963660 | Fingerprint collating device and fingerprint collating method | Takeshi Funahashi | 2005-11-08 |
| 6941462 | Authentication system, fingerprint identification unit, and authentication method | Takeshi Funahashi | 2005-09-06 |
| 5450381 | Magneto-optical recording utilizing signal phase adjustment | Seiji Kobayashi, Hiroshige Okamura | 1995-09-12 |
| 5157642 | Optical disc recording/reproduction apparatus with improved track seeking | Naoya Eguchi, Kimihiro Saitou, Shingeaki Wachi | 1992-10-20 |
| 4925717 | Disk-shaped recording medium and disk apparatus | Masataka Ogawa, Seiji Kobayashi | 1990-05-15 |
| 4907215 | Integral optical recording of product code in data areas | Yoichiro Sako, Hiroshi Ogawa | 1990-03-06 |
| 4660189 | Optical disk player having reduced laser output during track changes | Toshiro Morimoto, Matayasu Kubo, Masataka Mukai | 1987-04-21 |
| 4639907 | Magneto-optical apparatus | Yoshio Aoki | 1987-01-27 |
| 4455579 | Apparatus for producing a color picture on recording paper | — | 1984-06-19 |
| 4420268 | Printing apparatus and tape clamp therefor | Hidekuni Aizawa, Keiichi Ohta | 1983-12-13 |
| 4378566 | Apparatus for producing a color picture on recording paper | — | 1983-03-29 |
| 4349767 | Cathode ray tube resistance of ruthenium oxide and glass containing alumina powder | Shoichi Muramoto, Masayuki Tozawa, Fusao Ishii | 1982-09-14 |
| 4333034 | Grid structure for color cathode ray tube | Akio Ohgoshi, Akira Nakayama, Takehisa Natori | 1982-06-01 |