Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10807343 | Fiber reinforced plastic body, shutter device and optical apparatus | Mizuho Igawa, Fumio Shimada, Minoru Kobayashi, Keita HANAWA, Junichi Onosaka +1 more | 2020-10-20 |
| 10493717 | Fiber reinforced laminate, shutter device and optical apparatus | Mizuho Igawa, Fumio Shimada, Minoru Kobayashi, Keita HANAWA, Junichi Onosaka +1 more | 2019-12-03 |
| 9588401 | Fiber-reinforced laminate, shutter device and camera | Kana Matsuda, Michiyo Hashizume, Yuki Saito, Mizuho Igawa, Michio Yanagi +1 more | 2017-03-07 |
| 8665520 | Neutral density optical filter and image pickup apparatus | Masayuki Uchiyama, Kazuo Suzuki, Takayuki Wakabayashi | 2014-03-04 |
| 7295391 | ND filter for aperture device and aperture device comprising ND filter | Kazuo Suzuki, Takayuki Wakabayashi, Masayuki Uchiyama | 2007-11-13 |