Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7865009 | Magnetic ink character reading apparatus | — | 2011-01-04 |
| 7860294 | Magnetic ink character reading apparatus and method of controlling the same | — | 2010-12-28 |
| 7701502 | Image sensor, focal point detection device and camera | Shigeyuki Uchiyama | 2010-04-20 |
| 6766112 | Focal point detection apparatus and focal point detection module | Chiyuki Kuwata, Hideki Kanbayashi, Shigeyuki Uchiyama | 2004-07-20 |
| 6643460 | Camera and focal point detection apparatus | Shigeyuki Uchiyama, Chiyuki Kuwata, Hideki Kanbayashi | 2003-11-04 |
| 6422468 | Visible display card and processing system | Yoshikazu Nishizawa, Masanari Nakamura | 2002-07-23 |
| 6239912 | Focal point detection apparatus | — | 2001-05-29 |
| 6152620 | Processing method for rewritable card and processing apparatus for the same | Yoshikazu Nishizawa, Masanari Nakamura | 2000-11-28 |
| 6025856 | Magnetic indication sheet printing method and magnetic indication sheet printing apparatus | Hisashi Masuda, Kiyoshi Urushibata | 2000-02-15 |
| 5628036 | Focus adjustment device and method | Shigeyuki Uchiyama, Toshimi Watanabe | 1997-05-06 |
| 5625849 | Focus state detection device and method | — | 1997-04-29 |
| 5604561 | Focus state detection device | Seiichi Yasukawa | 1997-02-18 |