KM

Koichi Maruyama

PE Pentax: 5 patents #23 of 191Top 15%
HI Hitachi: 2 patents #771 of 3,950Top 20%
Honda Motor Co.: 1 patents #404 of 1,310Top 35%
TC Ts Tech Co.: 1 patents #7 of 28Top 25%
📍 Miyazaki, JP: #1 of 53 inventorsTop 2%
Overall (2002): #5,785 of 266,432Top 3%
6
Patents 2002

Issued Patents 2002

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
6487161 Objective lens and optical head for optical disc drive Shigeru Nakamura 2002-11-26
6480344 Objective lens for optical pick-up 2002-11-12
6477129 Optical disc drive Takeshi Shimano, Shigeru Nakamura, Akira Arimoto, Kazuo Shigematsu 2002-11-05
6473387 Optical disc apparatus Takashi Yamanouchi 2002-10-29
6357811 Coupling structure of threaded member and synthetic resin part for vehicle Michio Nakamura, Tsutomu Takeuchi, Kenichi Hasegawa 2002-03-19
6344935 Optical system of optical pick-up 2002-02-05