P

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 patents
US8045868B2Oct 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 patents

RICOH KK

6 patents

SHIMIZU CONSTRUCTION CO LTD

4 patents

MITSUI CHEMICALS INC

4 patents

MITSUI TOATSU CHEMICALS

3 patents

NOK VIBRACOUSTIC CO LTD

2 patents

FUJITSU LTD

2 patents

SEIKISUI CHEMICAL CO LTD

2 patents

ROHM CO LTD

1 patent

SHINKO ELECTRIC CO LTD

1 patent

IWASA TAKESHI

1 patent

KURAMOCHI YOSHIMI

1 patent

ISHIDA TSUTOMU

1 patent

MONDE MASAFUMI

1 patent

SANWA KAGAKU KENKYUSHO CO

1 patent

NAKAMURA TOMOHARU

1 patent

FUJITSU GENERAL LTD

1 patent

Showing the top 50 of 103 patents by PatentIndex Score.