HI

Hajime Ichikawa

NI Nikon: 8 patents #523 of 2,493Top 25%
OC Olympus Optical Co.: 4 patents #789 of 2,334Top 35%
Kyocera: 1 patents #2,054 of 3,732Top 60%
TO Toyota: 1 patents #15,335 of 26,838Top 60%
Overall (All Time): #347,274 of 4,157,543Top 9%
14
Patents All Time

Issued Patents All Time

Showing 1–14 of 14 patents

Patent #TitleCo-InventorsDate
10800467 Door handle Yuichi Yokota, Akihide FUKUYAMA, Shigeru Sato, Koshi Yamada, Yoshihiro Fujiura 2020-10-13
10212665 Mobile device, control program therefor, and control method therefor 2019-02-19
6456382 Interferometer that measures aspherical surfaces Hiroshi Ichihara, Takashi Gemma, Shigeru Nakayama 2002-09-24
6344898 Interferometric apparatus and methods for measuring surface topography of a test surface Takashi Gemma, Hiroshi Ichihara, Shigeru Nakayama, Bruce Jacobsen 2002-02-05
6100980 Magnification calibration apparatus and shape measuring system 2000-08-08
6032377 Non-spherical surface shape measuring device Takahiro Yamamoto 2000-03-07
5986760 Shape measurement method and high-precision lens manufacturing process Shigeru Nakayama, Takashi Genma, Tetsuji Onuki, Masami Ebi 1999-11-16
5982490 Apparatus and method for wavefront absolute calibration and method of synthesizing wavefronts Takahiro Yamamoto 1999-11-09
4988164 Anti-reflection film for synthetic resin optical elements 1991-01-29
4979802 Synthetic resin half-mirror 1990-12-25
4944581 Rear face reflection mirror of multilayer film for synthetic resin optical parts 1990-07-31
4890245 Method for measuring temperature of semiconductor substrate and apparatus therefor Masahiko Yomoto, Makoto Uehara, Shigeru Kato 1989-12-26
4859832 Light radiation apparatus Makoto Uehara, Masahiko Yomoto, Shigeru Kato 1989-08-22
4599272 Anti-reflection coating for optical component and method for forming the same 1986-07-08