Tsutomu Osawa

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Kanagawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Lock lever structure, unit, and image forming apparatus
- Patent number 10,594,880
- Issue date Mar 17, 2020
- Ricoh Company, Ltd.
- Sakie Higuchi
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Microphone holding structure and electronic device
- Patent number 9,871,901
- Issue date Jan 16, 2018
- Ricoh Company, Ltd.
- Takahiro Hiramatsu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Communication apparatus
- Patent number 9,167,200
- Issue date Oct 20, 2015
- Ricoh Company, Ltd.
- Satoshi Odanaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Communication apparatus
- Patent number 8,570,434
- Issue date Oct 29, 2013
- Ricoh Company, Ltd.
- Satoshi Odanaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
LOCK LEVER STRUCTURE, UNIT, AND IMAGE FORMING APPARATUS
- Publication number 20170163827
- Publication date Jun 8, 2017
- RICOH COMPANY, LTD.
- Sakie Higuchi
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Application
MICROPHONE HOLDING STRUCTURE AND ELECTRONIC DEVICE
- Publication number 20160352879
- Publication date Dec 1, 2016
- Takahiro HIRAMATSU
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
COMMUNICATION APPARATUS
- Publication number 20140009566
- Publication date Jan 9, 2014
- Satoshi ODANAKA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
COMMUNICATION APPARATUS
- Publication number 20120182470
- Publication date Jul 19, 2012
- Satoshi ODANAKA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE