Inventor
KUMAGAI TOMOYA
JP34 patents
⚠️ This page may combine multiple inventors who share the name “KUMAGAI TOMOYA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOKYO OHKA KOGYO CO LTD
14 patentsUS8367312B2Feb 5, 2013
Detergent for lithography and method of forming resist pattern with the same
TOKYO OHKA KOGYO CO LTD5 citations72
US9920286B2Mar 20, 2018
Cleaning liquid for lithography and method for forming wiring
TOKYO OHKA KOGYO CO LTD3 citations71
US9796953B2Oct 24, 2017
Cleaning liquid for lithography and method for cleaning substrate
TOKYO OHKA KOGYO CO LTD2 citations70
US11131933B2Sep 28, 2021
Cleaning liquid, and method of cleaning substrate provided with metal resist
TOKYO OHKA KOGYO CO LTD0 citations62
US11131932B2Sep 28, 2021
Cleaning liquid, and method of cleaning substrate provided with metal resist
TOKYO OHKA KOGYO CO LTD0 citations62
US12428737B2Sep 30, 2025
Cleaning liquid used for cleaning metal resists, and cleaning method using cleaning liquid
TOKYO OHKA KOGYO CO LTD0 citations61
US12428611B2Sep 30, 2025
Cleaning liquid used for cleaning metal resists, and cleaning method using cleaning liquid
TOKYO OHKA KOGYO CO LTD0 citations61
US8349549B2Jan 8, 2013
Resist surface modifying liquid, and method for formation of resist pattern using the same
TOKYO OHKA KOGYO CO LTD4 citations61
US9063430B2Jun 23, 2015
Coating agent for forming fine pattern
TOKYO OHKA KOGYO CO LTD2 citations60
US11119410B2Sep 14, 2021
Cleaning liquid, and method of cleaning substrate provided with metal resist
TOKYO OHKA KOGYO CO LTD0 citations51
US9291905B2Mar 22, 2016
Developing solution for photolithography, method for forming resist pattern, and method and apparatus for producing developing solution for photolithography
TOKYO OHKA KOGYO CO LTD0 citations50
US9417532B2Aug 16, 2016
Coating agent for forming fine pattern
TOKYO OHKA KOGYO CO LTD0 citations44
US9964851B2May 8, 2018
Resist pattern forming method and developer for lithography
TOKYO OHKA KOGYO CO LTD0 citations41
US8802610B2Aug 12, 2014
Cleaning liquid and anticorrosive agent comprising a mercapto compound and solvent
TOKYO OHKA KOGYO CO LTD0 citations39
CANON KK
8 patentsUS9979916B2May 22, 2018
Imaging apparatus and imaging system
CANON KK20 citations86
US11303830B2Apr 12, 2022
Photoelectric conversion device and imaging system
CANON KK4 citations73
US10742905B2Aug 11, 2020
Imaging device and method of driving imaging device
CANON KK6 citations73
US11284032B2Mar 22, 2022
Imaging device, semiconductor device and camera
CANON KK4 citations72
US11310456B2Apr 19, 2022
Photoelectric conversion device and imaging system
CANON KK0 citations51
US12501188B2Dec 16, 2025
Imaging apparatus, and method with increased readout speed
CANON KK0 citations47
US12389139B2Aug 12, 2025
Photoelectric conversion device and method of driving photoelectric conversion device
CANON KK0 citations47
US12335651B2Jun 17, 2025
Photoelectric conversion device, method of driving photoelectric conversion device, and imaging system
CANON KK0 citations47
KOMATSU MFG CO LTD
5 patentsUSD697089SJan 7, 2014
Main body of a construction machine
KOMATSU MFG CO LTD9 citations82
USD552629SOct 9, 2007
Bulldozer
KOMATSU MFG CO LTD11 citations82
USD538303SMar 13, 2007
Bulldozer
KOMATSU MFG CO LTD12 citations82
USD543557SMay 29, 2007
Bulldozer
KOMATSU MFG CO LTD8 citations71
USD551683SSep 25, 2007
Bulldozer
KOMATSU MFG CO LTD5 citations60