Keisuke Tsukada

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Kanagawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Information processing apparatus having whiteboard and video confer...
- Patent number 10,419,618
- Issue date Sep 17, 2019
- Ricoh Company, Ltd.
- Yoshinaga Kato
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
System, apparatus, and method for inhibiting operation that modifie...
- Patent number 8,612,739
- Issue date Dec 17, 2013
- Ricoh Company, Ltd.
- Yoshihiro Ogura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
COMMUNICATION TERMINAL, SHARING SYSTEM, COMMUNICATION METHOD, AND N...
- Publication number 20190306031
- Publication date Oct 3, 2019
- RICOH COMPANY, LTD.
- Keisuke Tsukada
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
SHARED TERMINAL, INFORMATION PROCESSING SYSTEM, AND DISPLAY CONTROL...
- Publication number 20190287531
- Publication date Sep 19, 2019
- RICOH COMPANY, LTD.
- Keisuke Tsukada
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
INFORMATION PROCESSING APPARATUS, INFORMATION PROCESSING METHOD, AN...
- Publication number 20180069962
- Publication date Mar 8, 2018
- Yoshinaga KATO
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
SYSTEM, APPARATUS, AND METHOD FOR INHIBITING OPERATION THAT MODIFIE...
- Publication number 20110161652
- Publication date Jun 30, 2011
- RICOH COMPANY, LTD.
- Yoshihiro OGURA
- G06 - COMPUTING CALCULATING COUNTING