AA

Akira Arimoto

HI Hitachi: 4 patents #57 of 3,149Top 2%
HC Hitachi Koki Co.: 2 patents #3 of 87Top 4%
📍 Musashimurayama, JP: #1 of 6 inventorsTop 20%
Overall (1994): #7,020 of 165,921Top 5%
4
Patents 1994

Issued Patents 1994

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
5361244 Optical head and information recording apparatus Shigeru Nakamura, Takeshi Nakao, Mariko Umeda 1994-11-01
5321435 Multi-diameter record dot light scanning apparatus Takeshi Mochizuki, Susumu Saito, Shinichi Nishino, Takahiro Kikuchi 1994-06-14
5315573 Non-linear optical saturable absorber layer in an optical disk to discriminate wavelength above or below a threshold level of intensity Takeshi Nakao, Kensuke Ogawa, Hirofumi Sukeda, Hisataka Sugiyama 1994-05-24
5289001 Laser beam scanning apparatus having a variable focal distance device and the variable focal distance device for use in the apparatus Susumu Saito 1994-02-22