Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7079340 | Apparatus and method of measuring write magnetic field of recording head | Takahisa Ueno, Tohru Horie, Iwao Okamoto | 2006-07-18 |
| 5993982 | Method and apparatus for evaluating durability of magnetic disk | Yoshimichi Asanai, Minoru Takahashi, Masaki Kameyama | 1999-11-30 |
| 5859357 | Apparatus for measuring friction force between a magnetic head and a magnetic disk | Masaki Kameyama | 1999-01-12 |
| 5109428 | Minutia data extraction in fingerprint identification | Takashi Shinzaki, Fumio Yamagishi, Hiroyuki Ikeda, Hironori Yahagi | 1992-04-28 |
| 5088817 | Biological object detection apparatus | Takashi Shinzaki, Fumio Yamagishi | 1992-02-18 |
| 5077803 | Biological detecting system and fingerprint collating system employing same | Masayuki Kato, Takashi Shinzaki, Fumio Yamagishi, Hiroyuki Ikeda | 1991-12-31 |
| 4924085 | Uneven-surface data detection apparatus | Masayuji Kato, Fumio Yamagishi, Hiroyuki Ikeda, Takashi Shinzaki, Shin Eguchi | 1990-05-08 |
| 4728186 | Uneven-surface data detection apparatus | Shin Eguchi, Hironori Yahagi, Fumio Yamagishi, Hiroyuki Ikeda, Takefumi Inagaki | 1988-03-01 |
| 4559452 | Apparatus for detecting edge of semitransparent plane substance | Tadao Nakakuki, Takefumi Inagaki, Shuetsu Oikawa, Takashi Fujimura | 1985-12-17 |
| 4484077 | Exposure system and method using an electron beam | Yoshiro Goto, Yasuo Furukawa | 1984-11-20 |