Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7059193 | Pressure sensor with a diaphragm which has plural intermittent ring-shaped reinforcing ribs by grooves | Katsumi Maki | 2006-06-13 |
| 6614518 | Multi-point light measuring system | Norio Ishikawa, Norihisa Hosoi, Michio Nishio, Ryuji Tsuji, Tomoya Kimata | 2003-09-02 |
| 6567160 | Light measuring apparatus and light measuring method | Norio Ishikawa | 2003-05-20 |
| 5589934 | Light measuring apparatus capable of measuring ambient light and flash light | Norihisa Hosoi, Kenichiro Hibi, Yoshihiro Okui, Takehiro Katoh, Yoshihiko Azuma | 1996-12-31 |
| 4364662 | Dual mode camera exposure meters | Yoshio Yuasa, Toru Kisanuki | 1982-12-21 |