Issued Patents All Time
Showing 101–125 of 127 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7316487 | Projector light source and projection type image display device using the same | Koji Hirata, Ryuji Kurihara | 2008-01-08 |
| 7271783 | Display device | Yoshie Kodera, Tetsu Ohishi, Akinori Maeda, Junichi Ikoma, Hidenao Kubota | 2007-09-18 |
| 7241015 | Optical unit and projection type image display unit using it | Koji Hirata, Tsutomu Nakashima, Masahiko Yatsu | 2007-07-10 |
| 7232227 | Image display device | Futoshi Yamasaki, Masahiko Yatsu | 2007-06-19 |
| 7212339 | Transmissive screen and rear projection type image display apparatus using same | Koji Hirata, Akinori Maeda | 2007-05-01 |
| 7111942 | Reflection-type image projection unit and a reflection-type image display apparatus, and a light source device for use therein | Koji Hirata, Masahiko Yatsu, Naoyuki Ogura | 2006-09-26 |
| 7059730 | Back reflective mirror and back projection type video display device using the same | Koji Hirata, Kei Adachi, Sadayuki Nishimura, Megumi Sakoo, Yoshie Kodera | 2006-06-13 |
| 7059725 | Reflection-type image projection unit and a reflection-type image display apparatus, and a light source device for use therein | Koji Hirata, Masahiko Yatsu, Naoyuki Ogura | 2006-06-13 |
| 7009766 | Transmissive screen and rear projection type image display apparatus using same | Koji Hirata, Akinori Maeda | 2006-03-07 |
| 6863418 | Light source for projector and projection type image display apparatus using thereof | Koji Hirata, Ryuji Kurihara, Yoshie Kodera | 2005-03-08 |
| 6847605 | Disk cartridge | Tomomi Okamoto, Kyuichiro Nagai, Hirofumi Taguchi, Hiroaki Ono, Atsushi Inoue | 2005-01-25 |
| 6796660 | Display optical unit and display apparatus using this unit | Mikio Shiraishi, Nobuyuki Kaku, Fukuyasu Abe, Kenji Fuse, Tatsuo Morita | 2004-09-28 |
| 6711119 | Disk cartridge with a holder having disk information on it | Tomomi Okamoto, Kyuichiro Nagai, Hirofumi Taguchi, Hiroaki Ono, Atsushi Inoue | 2004-03-23 |
| 6665261 | Disk cartridge | Tomomi Okamoto, Kyuichiro Nagai, Hirofumi Taguchi, Hiroaki Ono, Atsushi Inoue | 2003-12-16 |
| 6595645 | Display optical unit and display apparatus using this unit | Mikio Shiraishi, Nobuyuki Kaku, Fukuyasu Abe, Kenji Fuse, Tatsuo Morita | 2003-07-22 |
| 6577593 | Disk cartridge | Tomomi Okamoto, Kyuichiro Nagai, Hirofumi Taguchi, Hiroaki Ono, Atsushi Inoue | 2003-06-10 |
| 6519220 | Disk device with eliminatable gaps | Atsushi Inoue, Tomomi Okamoto, Kyuichiro Nagai | 2003-02-11 |
| 6510132 | Disk cartridge | Tomomi Okamoto, Kyuichiro Nagai, Hirofumi Taguchi, Hiroaki Ono, Atsushi Inoue | 2003-01-21 |
| 6480464 | Disk cartridge with holder and disk information | Tomomi Okamoto, Kyuichiro Nagai, Hirofumi Taguchi, Hiroaki Ono, Atsushi Inoue | 2002-11-12 |
| 6349087 | Disk cartridge with a disk holding member | Tomomi Okamoto, Kyuichiro Nagai, Hirofumi Taguchi, Hiroaki Ono, Atsushi Inoue | 2002-02-19 |
| 6334686 | Display optical unit and display apparatus | Mikio Shiraishi, Nobuyuki Kaku, Fukuyasu Abe, Kenji Fuse, Tatsuo Morita | 2002-01-01 |
| 6285642 | Disk device with vibration-insulating mechanism | Atsushi Inoue, Tomomi Okamoto, Kyuichiro Nagai | 2001-09-04 |
| 6137759 | Removable disk drive system having a driving mechanism and removably housing a disc cartridge | Kenji Ogiro | 2000-10-24 |
| 5734537 | Tape guide structure of rotary head drum in recording/reproduction apparatus and method of machining the same | Seiji Ono, Kenmei Masuda, Hidekazu Takeda, Atsushi Inoue, Noboru Katohno +3 more | 1998-03-31 |
| 5315460 | Magnetic recording and reproducing apparatus including S fixed chassis for supporting a head drum and a movable chassis for mounting a tape cassette | Hidekazu Takeda, Masao Iwakura, Tetsuo Itou, Ikuo Nishida, Yoshiharu Yamashita +2 more | 1994-05-24 |