Issued Patents All Time
Showing 26–50 of 51 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5680253 | Light beam scanning apparatus comprising a first and second diffraction grating plate | Shinya Hasegawa, Shigeo Kayashima, Satoshi Maeda, Shigetake Iwata, Masato Nakashima +2 more | 1997-10-21 |
| 5497170 | Headup display apparatus | Masayuki Kato, Hirokazu Aritake, Tsuyoshi Matsumoto, Junji Tomita, Masato Nakashima +4 more | 1996-03-05 |
| 5477348 | Achromatic hologram optical system | Satoshi Maeda, Hiroyuki Ikeda, Masayuki Kato, Hirokazu Aritake | 1995-12-19 |
| 5295004 | Optical beam scanning apparatus | Shinya Hasegawa, Youji Houki, Shigetake Iwata, Shigeo Kayashima, Satoshi Maeda | 1994-03-15 |
| 5266788 | Laser scanner for bar code reader having a transparent light guide plate | Kozo Yamazaki, Hiroyuki Ikeda, Hirokazu Aritake, Masanori Ohkawa | 1993-11-30 |
| 5245170 | Optical scanner using planar reflection holograms | Hirokazu Aritake, Toshiyuki Ichikawa, Kozo Yamazaki, Hiroyuki Ikeda | 1993-09-14 |
| 5231277 | Optical scanner using plannar reflecting holograms | Hirokazu Aritake, Toshiyuki Ichikawa, Kozo Yamazaki, Hiroyuki Ikeda | 1993-07-27 |
| 5224082 | Method for detecting tracking error in optical disk system and its optical system devices thereof | Kaneyuki Kurokawa, Masayuki Kato, Satoshi Maeda, Hiroyuki Ikeda | 1993-06-29 |
| 5210624 | Heads-up display | Tsuyoshi Matsumoto, Reiko Watanabe, Shin Eguchi, Hirokazu Aritake, Takashi Morihara | 1993-05-11 |
| 5109428 | Minutia data extraction in fingerprint identification | Seigo Igaki, Takashi Shinzaki, Hiroyuki Ikeda, Hironori Yahagi | 1992-04-28 |
| 5088817 | Biological object detection apparatus | Seigo Igaki, Takashi Shinzaki | 1992-02-18 |
| 5077803 | Biological detecting system and fingerprint collating system employing same | Masayuki Kato, Takashi Shinzaki, Seigo Igaki, Hiroyuki Ikeda | 1991-12-31 |
| 4968108 | Method for constructing and reconstructing hologram | Hiroyuki Ikeda, Masayuki Kato, Shunji Kitagawa, Takefumi Inagaki | 1990-11-06 |
| 4957336 | Laser beam scanner and its fabricating method | Shin Hasegawa, Masayuki Kato, Hiroyuki Ikeda, Takefumi Inagaki | 1990-09-18 |
| 4948213 | Beam scanner | Shin Hasegawa, Hiroyuki Ikeda, Shigetake Iwata | 1990-08-14 |
| 4938550 | Holographic deflection device | Takefumi Inagaki, Hiroyuki Ikeda, Shin Hasegawa | 1990-07-03 |
| 4925262 | Method and apparatus for light beam scanning using a hologram | Shinya Hasegawa, Hiroyuki Ikeda | 1990-05-15 |
| 4924085 | Uneven-surface data detection apparatus | Masayuji Kato, Seigo Igaki, Hiroyuki Ikeda, Takashi Shinzaki, Shin Eguchi | 1990-05-08 |
| 4904033 | Method for constructing holograms | Hiroyuki Ikeda, Shinya Hasegawa, Syunji Kitagawa, Kozo Yamazaki, Takefumi Inagaki | 1990-02-27 |
| 4848862 | Laser beam scanner | Kozo Yamazaki, Toshiyuki Ichikawa, Hiroyuki Ikeda, Takefumi Inagaki, Hirokazu Aritake | 1989-07-18 |
| 4832464 | Optical system with grating lens assembly for correcting wavelength aberrations | Masayuki Kato, Satoshi Maeda, Hiroyuki Ikeda, Takefumi Inagaki | 1989-05-23 |
| 4824191 | Optical pickup | Masayuki Kato, Shin Hasegawa, Hiroyuki Ikeda, Takefumi Inagaki | 1989-04-25 |
| 4810046 | Light beam scanning apparatus | Shinya Hasegawa, Hiroyuki Ikeda, Takefumi Inagaki | 1989-03-07 |
| 4728186 | Uneven-surface data detection apparatus | Shin Eguchi, Seigo Igaki, Hironori Yahagi, Hiroyuki Ikeda, Takefumi Inagaki | 1988-03-01 |
| 4655541 | Hologram scanner | Kozo Yamazaki, Hiroyuki Ikeda, Takefumi Inagaki, Ichiro Sebata, Shunji Kitagawa +2 more | 1987-04-07 |