Shigemi Kumagai

Person

Kashiwa-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Image forming apparatus having a motor to drive a pickup roller
- Patent number 11,747,759
- Issue date Sep 5, 2023
- Canon Kabushiki Kaisha
- Shigemi Kumagai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Sheet conveyance apparatus, document feeding apparatus, document re...
- Patent number 10,723,574
- Issue date Jul 28, 2020
- Canon Kabushiki Kaisha
- Toru Miyazawa
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Sheet conveying apparatus and image forming apparatus
- Patent number 9,988,227
- Issue date Jun 5, 2018
- Canon Kabushiki Kaisha
- Shigemi Kumagai
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Sheet processing apparatus and image forming apparatus having bindi...
- Patent number 9,568,880
- Issue date Feb 14, 2017
- Canon Kabushiki Kaisha
- Yoshitaka Yamazaki
- B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
Information Patent Grant
Image forming apparatus that corrects developing bias voltage
- Patent number 9,134,647
- Issue date Sep 15, 2015
- Canon Kabushiki Kaisha
- Tetsuro Fukusaka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 8,553,248
- Issue date Oct 8, 2013
- Canon Kabushiki Kaisha
- Shigemi Kumagai
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
IMAGE FORMING APPARATUS AND CIRCUIT BOARD FOR IMAGE FORMING APPARATUS
- Publication number 20240192630
- Publication date Jun 13, 2024
- Canon Kabushiki Kaisha
- Shigemi Kumagai
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20220291617
- Publication date Sep 15, 2022
- Canon Kabushiki Kaisha
- Shigemi Kumagai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
SHEET CONVEYING APPARATUS
- Publication number 20200270083
- Publication date Aug 27, 2020
- Canon Kabushiki Kaisha
- Kazuya Fukuda
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Application
SHEET CONVEYANCE APPARATUS, DOCUMENT FEEDING APPARATUS, DOCUMENT RE...
- Publication number 20190218047
- Publication date Jul 18, 2019
- Canon Kabushiki Kaisha
- Toru Miyazawa
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Application
SHEET CONVEYING APPARATUS AND IMAGE FORMING APPARATUS
- Publication number 20170291783
- Publication date Oct 12, 2017
- Canon Kabushiki Kaisha
- Shigemi Kumagai
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Application
SHEET PROCESSING APPARATUS AND IMAGE FORMING APPARATUS HAVING BINDI...
- Publication number 20150203310
- Publication date Jul 23, 2015
- Canon Kabushiki Kaisha
- Yoshitaka Yamazaki
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Application
IMAGE FORMING APPARATUS THAT CORRECTS DEVELOPING BIAS VOLTAGE
- Publication number 20140301749
- Publication date Oct 9, 2014
- Canon Kabushiki Kaisha
- Tetsuro Fukusaka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming apparatus
- Publication number 20060262342
- Publication date Nov 23, 2006
- Canon Kabushiki Kaisha
- Shigemi Kumagai
- G06 - COMPUTING CALCULATING COUNTING

Shigemi Kumagai

Person

Patents Grantslast 30 patents

Image forming apparatus having a motor to drive a pickup roller

Sheet conveyance apparatus, document feeding apparatus, document re...

Sheet conveying apparatus and image forming apparatus

Sheet processing apparatus and image forming apparatus having bindi...

Image forming apparatus that corrects developing bias voltage

Image forming apparatus

Patents Applicationslast 30 patents

IMAGE FORMING APPARATUS AND CIRCUIT BOARD FOR IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS

SHEET CONVEYING APPARATUS

SHEET CONVEYANCE APPARATUS, DOCUMENT FEEDING APPARATUS, DOCUMENT RE...

SHEET CONVEYING APPARATUS AND IMAGE FORMING APPARATUS

SHEET PROCESSING APPARATUS AND IMAGE FORMING APPARATUS HAVING BINDI...

IMAGE FORMING APPARATUS THAT CORRECTS DEVELOPING BIAS VOLTAGE

Image forming apparatus