Inventor
KUMAZAKI TAKAHITO
JP23 patents
⚠️ This page may combine multiple inventors who share the name “KUMAZAKI TAKAHITO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
GIGAPHOTON INC
12 patentsUS12111577B2Oct 8, 2024
Line narrowing device, electronic device manufacturing method
GIGAPHOTON INC2 citations73
US12438333B2Oct 7, 2025
Line narrowing gas laser device, wavelength control method, and electronic device manufacturing method
GIGAPHOTON INC1 citations64
US12300962B2May 13, 2025
Laser device and electronic device manufacturing method
GIGAPHOTON INC1 citations64
US9647411B2May 9, 2017
Method of controlling wavelength of laser beam and laser apparatus
GIGAPHOTON INC1 citations52
US9490603B2Nov 8, 2016
Laser apparatus and method of controlling laser apparatus
GIGAPHOTON INC0 citations52
US7006309B2Feb 28, 2006
Prism unit and laser device
GIGAPHOTON INC1 citations52
US9093814B2Jul 28, 2015
Optical device, and laser chamber and gas laser apparatus using the same
GIGAPHOTON INC0 citations51
US10283927B2May 7, 2019
Line narrowed laser apparatus
GIGAPHOTON INC0 citations48
US9130338B2Sep 8, 2015
Excimer laser and laser device
GIGAPHOTON INC1 citations48
US9071036B2Jun 30, 2015
Laser apparatus
GIGAPHOTON INC0 citations41
US10615565B2Apr 7, 2020
Line narrowed laser apparatus
GIGAPHOTON INC0 citations40
US10741991B2Aug 11, 2020
Narrowband laser apparatus and spectral linewidth measuring apparatus
GIGAPHOTON INC0 citations39
KOMATSU MFG CO LTD
6 patentsUS6785319B1Aug 31, 2004
Ultraviolet laser device
KOMATSU MFG CO LTD24 citations86
US7903700B2Mar 8, 2011
Narrow-spectrum laser device
KOMATSU MFG CO LTD17 citations84
US7957449B2Jun 7, 2011
Two-stage laser system for aligners
KOMATSU MFG CO LTD6 citations72
US7756183B2Jul 13, 2010
Line narrowed laser apparatus
KOMATSU MFG CO LTD3 citations62
US7170920B2Jan 30, 2007
Laser device
KOMATSU MFG CO LTD0 citations51
US6731666B1May 4, 2004
Laser device
KOMATSU MFG CO LTD1 citations51