Inventor
ISHIDA TSUTOMU
JP103 patents
⚠️ This page may combine multiple inventors who share the name “ISHIDA TSUTOMU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CANON KK
12 patentsUS8045868B2Oct 25, 2011
Recording material determination apparatus and image forming apparatus
CANON KK17 citations92
US9874842B2Jan 23, 2018
Sheet determination apparatus using ultrasonic wave transmitting unit or reception unit
CANON KK8 citations84
US9372461B2Jun 21, 2016
Determination apparatus for determining type of recording medium
CANON KK3 citations73
US11743078B2Aug 29, 2023
Data carrier apparatus, data carrier drive apparatus, data communication system, image forming apparatus and replacement unit for the same
CANON KK2 citations72
US10833877B2Nov 10, 2020
Method of authenticating authentication-target apparatus by authentication apparatus, authentication apparatus, authentication- target apparatus, and image forming apparatus
CANON KK2 citations72
US9921532B2Mar 20, 2018
Image forming apparatus and ultrasonic sensor
CANON KK3 citations72
US9429892B2Aug 30, 2016
Recording medium determination apparatus and image forming apparatus
CANON KK3 citations72
US9250591B2Feb 2, 2016
Ultrasonic wave sensor and image forming apparatus
CANON KK3 citations72
US10458913B2Oct 29, 2019
Determination apparatus for determining type of recording medium and image forming apparatus using the same
CANON KK3 citations71
US9983530B2May 29, 2018
Determination apparatus for determining type of recording medium and image forming apparatus using the same
CANON KK2 citations71
US10884368B2Jan 5, 2021
Sheet determination apparatus using ultrasonic wave transmitting unit or reception unit
CANON KK0 citations63
US11099497B2Aug 24, 2021
Image forming apparatus that controls image formation according to a property of a recording material
CANON KK0 citations62
OMRON TATEISI ELECTRONICS CO
6 patentsUS5189728AFeb 23, 1993
Rule generating and verifying apparatus for fuzzy control
OMRON TATEISI ELECTRONICS CO22 citations93
US5347615ASep 13, 1994
Rule generating and verifying apparatus for fuzzy control using temporary exclusion of a selected rule
OMRON TATEISI ELECTRONICS CO7 citations74
US5239620AAug 24, 1993
Rule generating and verifying apparatus for fuzzy control
OMRON TATEISI ELECTRONICS CO8 citations74
US5566274AOct 15, 1996
Method and apparatus for setting membership functions, and method and apparatus for analyzing same
OMRON TATEISI ELECTRONICS CO15 citations73
US5305425AApr 19, 1994
Method of and apparatus for evaluating membership functions or rules in fuzzy reasoning system
OMRON TATEISI ELECTRONICS CO17 citations72
US5708341AJan 13, 1998
Control apparatus and method with correction of trial manipulated pattern
OMRON TATEISI ELECTRONICS CO5 citations63
RICOH KK
6 patentsUS4114536ASep 19, 1978
Method of and apparatus for transfer printing a toner image
RICOH KK39 citations93
US4874957AOct 17, 1989
Contact type image sensor
RICOH KK26 citations92
US4220699ASep 2, 1980
Method for producing a large number of copies by means of copying apparatus
RICOH KK24 citations81
US4661428AApr 28, 1987
Composite photosensitive elements for use in electrophotography and process of forming images using same
RICOH KK8 citations74
US4084899AApr 18, 1978
Electrostatic copying machine
RICOH KK7 citations74
US4413899ANov 8, 1983
Copying method and apparatus
RICOH KK14 citations73
SHIMIZU CONSTRUCTION CO LTD
4 patentsUS4867629ASep 19, 1989
Dusttight storage cabinet apparatus for use in clean rooms
SHIMIZU CONSTRUCTION CO LTD431 citations98
US4781511ANov 1, 1988
Semiconductor processing system
SHIMIZU CONSTRUCTION CO LTD406 citations98
US4826360AMay 2, 1989
Transfer system in a clean room
SHIMIZU CONSTRUCTION CO LTD110 citations96
US4904153AFeb 27, 1990
Transporting robot for semiconductor wafers
SHIMIZU CONSTRUCTION CO LTD70 citations95
MITSUI CHEMICALS INC
4 patentsUS7166240B2Jan 23, 2007
Hydrocarbon compounds, materials for organic electroluminescent elements and organic electroluminescent elements
MITSUI CHEMICALS INC17 citations91
US6929870B2Aug 16, 2005
Hydrocarbon compounds, materials for organic electroluminescent elements and organic electroluminescent elements
MITSUI CHEMICALS INC33 citations91
US5861108AJan 19, 1999
Naphthalene compound, and liquid crystal composition and liquid crystal element using the same
MITSUI CHEMICALS INC7 citations72
US7259260B2Aug 21, 2007
Imide compound and optical recording media made by using the same
MITSUI CHEMICALS INC6 citations70
MITSUI TOATSU CHEMICALS
3 patentsUS5470943ANov 28, 1995
Polyimide
MITSUI TOATSU CHEMICALS27 citations92
US5631377AMay 20, 1997
Polyimide intermediates
MITSUI TOATSU CHEMICALS12 citations73
US5770108AJun 23, 1998
Pyrimidine compound and liquid crystal composition and liquid crystal element using the same
MITSUI TOATSU CHEMICALS13 citations72
NOK VIBRACOUSTIC CO LTD
2 patentsFUJITSU LTD
2 patentsSEIKISUI CHEMICAL CO LTD
2 patentsROHM CO LTD
1 patentSHINKO ELECTRIC CO LTD
1 patentIWASA TAKESHI
1 patentKURAMOCHI YOSHIMI
1 patentISHIDA TSUTOMU
1 patentMONDE MASAFUMI
1 patentSANWA KAGAKU KENKYUSHO CO
1 patentNAKAMURA TOMOHARU
1 patentFUJITSU GENERAL LTD
1 patentShowing the top 50 of 103 patents by PatentIndex Score.