Sumiaki AOKI

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Kanagawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Image forming apparatus
- Patent number 8,944,560
- Issue date Feb 3, 2015
- Ricoh Company, Limited
- Sumiaki Aoki
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Image forming device
- Patent number 8,602,515
- Issue date Dec 10, 2013
- Ricoh Company, Ltd.
- Kaoru Satoh
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Head control device and image recording apparatus
- Patent number 7,494,199
- Issue date Feb 24, 2009
- Ricoh Company, Ltd.
- Sumiaki Aoki
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Head driving unit and an image forming apparatus using the same
- Patent number 6,923,520
- Issue date Aug 2, 2005
- Ricoh Company, Ltd.
- Tatsuhiko Oikawa
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS

Patents Applicationslast 30 patents

Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20130241986
- Publication date Sep 19, 2013
- RICOH COMPANY, LIMITED
- Sumiaki AOKI
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
IMAGE FORMING DEVICE
- Publication number 20120229541
- Publication date Sep 13, 2012
- RICOH COMPANY, LTD.
- Kaoru SATOH
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
Head control device and image recording apparatus
- Publication number 20050237350
- Publication date Oct 27, 2005
- Sumiaki Aoki
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
Head driving unit and an image forming apparatus using the same
- Publication number 20030011653
- Publication date Jan 16, 2003
- Ricoh Company, Ltd,
- Tatsuhiko Oikawa
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS