Inventor
WATANABE HISAO
JP34 patents
⚠️ This page may combine multiple inventors who share the name “WATANABE HISAO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
RICOH KK
14 patentsUS5642550AJul 1, 1997
Apparatus for removing image forming substance from image holding member
RICOH KK29 citations92
US5534063AJul 9, 1996
Apparatus for removing image forming substance from sheet and sheet processing apparatus
RICOH KK33 citations92
US5835837ANov 10, 1998
Apparatus for removing image forming substance from image holding member
RICOH KK19 citations84
US5735009AApr 7, 1998
Device for removing a substance deposited on a sheet
RICOH KK13 citations81
US6940792B1Sep 6, 2005
CLV optical disc, CLV optical disc format, and an optical disc medium recording and reproducing apparatus
RICOH KK7 citations74
US6678235B1Jan 13, 2004
CLV optical disc, CLV optical disc format, and an optical disc medium recording and reproduction apparatus
RICOH KK8 citations74
US6212146B1Apr 3, 2001
Apparatus for exposing optical disc master plate and method of exposing the same
RICOH KK7 citations74
US6189173B1Feb 20, 2001
Device for removing a substance deposited on a sheet
RICOH KK8 citations73
US6156127ADec 5, 2000
Method and apparatus for removing image forming substance from image holding member
RICOH KK8 citations73
US5896612AApr 27, 1999
Method and apparatus for removing image forming substance from image holding member
RICOH KK8 citations73
US5855734AJan 5, 1999
Device for removing a substance deposited on a sheet
RICOH KK5 citations73
US6452898B1Sep 17, 2002
Constant linear velocity (CLV) optical disc
RICOH KK4 citations63
US6143091ANov 7, 2000
Method for removing a substance deposited on a sheet
RICOH KK1 citations62
US6339573B2Jan 15, 2002
Apparatus for exposing optical disc master plate and method of exposing the same
RICOH KK0 citations52
MITSUBISHI CHEM IND
7 patentsUS4536209AAug 20, 1985
N-(3-substituted oxyphenyl)tetrahydrophthalimides and herbicidal composition
MITSUBISHI CHEM IND26 citations81
US4971620ANov 20, 1990
Sulfonamide and herbicide containing the same as active ingredient
MITSUBISHI CHEM IND10 citations71
US4420327ADec 13, 1983
Tetrahydrophthalimides and herbicidal composition
MITSUBISHI CHEM IND9 citations71
US5110342AMay 5, 1992
Indan-1,3-dione derivative and herbicidal composition containing the same as active ingredient
MITSUBISHI CHEM IND1 citations50
US5076830ADec 31, 1991
Indan-1,3-dione derivative and herbicidal composition containing the same as active ingredient
MITSUBISHI CHEM IND0 citations50
US4705554ANov 10, 1987
Benzofuranyloxyphenylurea derivative and herbicidal composition containing it as an active ingredient
MITSUBISHI CHEM IND0 citations48
US4959092ASep 25, 1990
Substituted phenyl (or pyridyl) urea compound and herbicidal composition containing the same as active ingredient
MITSUBISHI CHEM IND0 citations47
MICROWAVE CHEMICAL CO LTD
5 patentsUS10811746B2Oct 20, 2020
Waveguide tube connection device and clamp for waveguide tube connection
MICROWAVE CHEMICAL CO LTD1 citations60
US12290792B2May 6, 2025
Treatment apparatus
MICROWAVE CHEMICAL CO LTD0 citations54
US11633709B2Apr 25, 2023
Treatment apparatus
MICROWAVE CHEMICAL CO LTD0 citations54
US10850252B2Dec 1, 2020
Microwave treatment apparatus and program
MICROWAVE CHEMICAL CO LTD0 citations47
US11524269B2Dec 13, 2022
Mixing impeller and treatment apparatus
MICROWAVE CHEMICAL CO LTD0 citations46
TOSHIBA KK
3 patentsUS10081872B2Sep 25, 2018
Hydrogen production system and method for producing hydrogen
TOSHIBA KK2 citations72
US9957626B2May 1, 2018
Hydrogen production system and method for producing hydrogen
TOSHIBA KK2 citations71
US10227700B2Mar 12, 2019
Hydrogen production system and method for producing hydrogen
TOSHIBA KK1 citations61