Inventor
KATAOKA YOSHIKAZU
JP24 patents
⚠️ This page may combine multiple inventors who share the name “KATAOKA YOSHIKAZU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
DAINIPPON SCREEN MFG
7 patentsUS6806897B2Oct 19, 2004
Image recording apparatus using the grating light valve
DAINIPPON SCREEN MFG451 citations98
US6956596B2Oct 18, 2005
Method for correcting the beam intensity in an image recording apparatus using a multi-channel light modulator
DAINIPPON SCREEN MFG51 citations92
US5159496AOct 27, 1992
Lens system with four meniscus lenses made of anomalous dispersion glass
DAINIPPON SCREEN MFG38 citations92
US5103342AApr 7, 1992
Apochromatic lens system
DAINIPPON SCREEN MFG8 citations73
US4955701ASep 11, 1990
Apochromat optical system
DAINIPPON SCREEN MFG16 citations71
US7535625B2May 19, 2009
Image recording apparatus
DAINIPPON SCREEN MFG1 citations51
US6784915B2Aug 31, 2004
Laser imager having reduced interference between internal optical reflections
DAINIPPON SCREEN MFG0 citations41
TOKAI RIKA CO LTD
5 patentsUS11444154B2Sep 13, 2022
Semiconductor device with a protected element
TOKAI RIKA CO LTD0 citations62
US11973146B2Apr 30, 2024
Semiconductor integrated circuit
TOKAI RIKA CO LTD0 citations55
US11532608B2Dec 20, 2022
Semiconductor device and method for manufacturing same
TOKAI RIKA CO LTD0 citations51
US11444074B2Sep 13, 2022
Semiconductor device and method for manufacturing same
TOKAI RIKA CO LTD0 citations51
US10176944B2Jan 8, 2019
Rotational movement detection device
TOKAI RIKA CO LTD0 citations39