AA

Akira Arimoto

HI Hitachi: 7 patents #62 of 3,950Top 2%
PE Pentax: 1 patents #91 of 191Top 50%
HE Hitachi Process Computer Engineering: 1 patents #1 of 9Top 15%
📍 Musashimurayama, JP: #1 of 9 inventorsTop 15%
Overall (2002): #4,640 of 266,432Top 2%
7
Patents 2002

Issued Patents 2002

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
6493307 OPTICAL HEAD HAVING TWO SEMICONDUCTOR LASERS OF DIFFERENT WAVELENGTH, AN OBJECTIVE LENS FOCUSING LASER BEAMS ON DIFFERENT THICKNESS SUBSTRATES, AND AN ANNULAR PHASE SHIFTER DECREASING FOCUSED LASER BEAM SPOT ABERRATION Takeshi Shimano 2002-12-10
6477129 Optical disc drive Koichi Maruyama, Takeshi Shimano, Shigeru Nakamura, Kazuo Shigematsu 2002-11-05
6437842 LCD and projection type display using three metalization layers and black layer Hideo Sato, Minoru Hoshino, Yuji Mori, Shinichi Komura, Yoshiharu Nagae +3 more 2002-08-20
6437917 Directional reflection screen and display system using the same Tetsuya Ooshima, Yoshiyuki Kaneko 2002-08-20
6430140 OPTICAL HEAD HAVING TWO SEMICONDUCTOR LASERS OF DIFFERENT WAVELENGTH, AN OBJECTIVE LENS FOCUSING LASER BEAMS ON DIFFERENT THICKNESS SUBSTRATES, AND AN ANNULAR PHASE SHIFTER DECREASING FOCUSED LASER BEAM SPOT ABERRATION Takeshi Shimano 2002-08-06
6421174 Directional reflection screen and display system using the same Tetsuya Ooshima, Yoshiyuki Kaneko 2002-07-16
6344926 Method of reproducing three-dimensional images and three-dimensional image-reproducing device Tetsuya Ooshima, Yoshiyuki Kaneko 2002-02-05