Ryoh ISHITSUKA

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Kanagawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Image inspector for detecting at least one abnormality of a recorde...
- Patent number 11,936,826
- Issue date Mar 19, 2024
- Ricoh Company, Ltd.
- Satoshi Nakayama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Image reading device and image forming apparatus incorporating the...
- Patent number 11,860,561
- Issue date Jan 2, 2024
- Ricoh Company, Ltd.
- Kimiharu Yamazaki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Reading apparatus and image forming system for outputting maintenan...
- Patent number 11,825,038
- Issue date Nov 21, 2023
- Ricoh Company, Ltd.
- Tohru Matsumoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Reading apparatus, processing apparatus, and image forming system c...
- Patent number 11,822,986
- Issue date Nov 21, 2023
- Ricoh Company, Ltd.
- Tatsuya Ishii
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Image inspecting device and image forming apparatus incorporating t...
- Patent number 11,800,037
- Issue date Oct 24, 2023
- Ricoh Company, Ltd.
- Ryoh Ishitsuka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
READING APPARATUS, PROCESSING APPARATUS, AND IMAGE FORMING SYSTEM
- Publication number 20220318582
- Publication date Oct 6, 2022
- RICOH COMPANY, LTD.
- Tatsuya ISHII
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
READING APPARATUS AND IMAGE FORMING SYSTEM
- Publication number 20220321708
- Publication date Oct 6, 2022
- RICOH COMPANY, LTD.
- Tohru MATSUMOTO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
IMAGE READING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING THE...
- Publication number 20220291618
- Publication date Sep 15, 2022
- RICOH COMPANY, LTD.
- Kimiharu YAMAZAKI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE INSPECTOR AND IMAGE FORMING SYSTEM INCORPORATING THE IMAGE IN...
- Publication number 20220286572
- Publication date Sep 8, 2022
- RICOH COMPANY, LTD.
- Satoshi NAKAYAMA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
IMAGE INSPECTING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING T...
- Publication number 20220286576
- Publication date Sep 8, 2022
- RICOH COMPANY, LTD.
- Ryoh ISHITSUKA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE