Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7719687 | Apparatus for measuring reflection characteristics of object surfaces | Jun Matsumoto, Kenji Imura | 2010-05-18 |
| 7436516 | Reflection characteristic measuring apparatus | Jun Matsumoto, Kenji Imura | 2008-10-14 |
| 5589934 | Light measuring apparatus capable of measuring ambient light and flash light | Norihisa Hosoi, Susumu Shirai, Kenichiro Hibi, Takehiro Katoh, Yoshihiko Azuma | 1996-12-31 |
| 5565990 | Color temperature meter for use in photographing | Norihisa Hosoi, Seiki Yamaguchi, Mikio Uematsu | 1996-10-15 |
| 5327210 | Light measurement device | Kazuhiko Naruse, Taketoshi Kawamura, Shinji Shimizu, Mikio Uematsu, Hiroshi Furukawa +1 more | 1994-07-05 |
| 5122651 | Device for measuring luminance of fluourscent screen of cathode ray tube | Hiroshi Furukawa, Kazuhiko Naruse | 1992-06-16 |
| 4924081 | Photo-electric converter having offset voltage correcting function | Jiro Arima | 1990-05-08 |
| 4909633 | Multi-channel spectral light measuring device | Seiiku Ito, Masami Sugiyama | 1990-03-20 |
| 4771265 | Double integration analog to digital converting device | Seiiku Ito | 1988-09-13 |