| 6858983 |
Display device having conical transparent members covering electroluminescent elements |
Noritaka Mochizuki, Ryuji Tokuda, Masanori Sakuranaga, Hikaru Hoshi |
2005-02-22 |
| 6624943 |
Diffractive optical element and optical system having the same |
Takehiko Nakai |
2003-09-23 |
| 6590708 |
Lens system having diffracting surface and refracting surface and optical apparatus using the lens system |
Takehiko Nakai |
2003-07-08 |
| 6246859 |
Original sensing device and sensing device |
Yukio Takemura |
2001-06-12 |
| 6016222 |
Color image reading apparatus |
Emiko Ueno |
2000-01-18 |
| 5737113 |
Optical modulators and color image display device employing the same |
Junko Kuramochi, Takehiko Nakai, Saburo Sugawara |
1998-04-07 |
| 5471321 |
Color image reading device |
— |
1995-11-28 |
| 5362957 |
Image reading apparatus |
Takehiko Nakai |
1994-11-08 |
| 5329384 |
Color image reading apparatus with volume hologram |
Naosato Taniguchi |
1994-07-12 |
| 5223703 |
Image reader with color decomposing blazed diffraction grating |
— |
1993-06-29 |
| 5221835 |
Image reading apparatus having a reflective blazed diffraction grating with varied pitch |
— |
1993-06-22 |
| 5187358 |
Image reading device having a telecentric optical system and a blazed diffraction grating |
— |
1993-02-16 |
| 5177349 |
Image reading apparatus utilizing a four step or more staircase diffraction grating structure |
— |
1993-01-05 |
| 5173599 |
Color image reading apparatus with blazed diffraction grating |
— |
1992-12-22 |
| 5150250 |
Light scanning optical system for an image output scanner using an electro-mechanical light modulator |
— |
1992-09-22 |
| 5119129 |
Image forming apparatus with selectable first and second optical forming means |
— |
1992-06-02 |
| 5113067 |
Image reading apparatus having a blazed diffraction grating |
Takehiko Nakai |
1992-05-12 |
| 4991030 |
Image reading apparatus capable of reading a projected image and having means for diffusing the projected luminous flux |
Hiroshi Sato, Kazuyuki Kondo, Takeshi Kuwayama, Tokihide Ebata, Haruo Tsunoi |
1991-02-05 |
| 4963464 |
Optical medium having pits of different depths, and method and apparatus for reproducing information therefrom |
— |
1990-10-16 |
| 4775204 |
Light scanning optical system of an image output scanner using an electro-mechanical light modulator |
— |
1988-10-04 |
| 4755013 |
Light scanning optical system of an image output scanner using an electro mechanical light modulator |
— |
1988-07-05 |
| 4719488 |
Imaging optical system using distributed index optical elements |
Mitsuhiro Tokuhara, Hiroaki Tsuchiya, Haruhisa Honda |
1988-01-12 |
| 4641944 |
Image exposing apparatus |
Haruhisa Honda, Hiroaki Tsuchiya, Mitsuhiro Tokuhara |
1987-02-10 |
