Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10845460 | Sound source position detection device, sound source position detection method, sound source position detection program, and recording medium | Hirofumi Inoue, Junichiro Mataga | 2020-11-24 |
| 9304384 | Projection display apparatus and projection light generating method | Mizuho Tomiyama, Masao Imai | 2016-04-05 |
| 9262990 | Projector spatially modulating incident light to display images of different colors | — | 2016-02-16 |
| 9195125 | Projection display apparatus and projection light generating method | Mizuho Tomiyama, Masao Imai | 2015-11-24 |
| 9170351 | Optical element, light source apparatus, and projection-type display apparatus | Masanao Natsumeda, Masao Imai, Mizuho Tomiyama, Shin Tominaga, Yuji Ohno | 2015-10-27 |
| 9041041 | Optical device, optical element, and image display device | Masanao Natsumeda, Masao Imai, Shin Tominaga, Mizuho Tomiyama, Yuji Ohno | 2015-05-26 |
| 8939592 | Polarizer and light-emitting device | — | 2015-01-27 |
| 8648990 | Optical device | — | 2014-02-11 |
| 7974328 | Surface-emission type semiconductor laser | Masayoshi Tsuji, Takayoshi Anan, Kenichiro Yashiki, Hiroshi Hatakeyama, Kimiyoshi Fukatsu +1 more | 2011-07-05 |
| 7940828 | Optical communication system and optical transmitter | Masayoshi Tsuji, Hiroshi Hatakeyama, Kimiyoshi Fukatsu, Takayoshi Anan, Kenichiro Yashiki | 2011-05-10 |
| 7881358 | Surface emitting laser | Takayoshi Anan, Kenichiro Yashiki, Masayoshi Tsuji, Hiroshi Hatakeyama, Kimiyoshi Fukatsu +1 more | 2011-02-01 |
| 7817691 | Light emitting device | Kimiyoshi Fukatsu | 2010-10-19 |
| 7638792 | Tunnel junction light emitting device | — | 2009-12-29 |
| 6261855 | Method for fabricating a semiconductor optical device | — | 2001-07-17 |
| 6084901 | Semiconductor laser device | — | 2000-07-04 |