Hirofumi Muramatsu

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Fingerprint authentication device and computer readable medium
- Patent number 8,885,895
- Issue date Nov 11, 2014
- Lapis Semiconductor Co., Ltd.
- Kenichi Morioka
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Decoder for fast feed and rewind
- Patent number 7,885,720
- Issue date Feb 8, 2011
- Oki Semiconductor Co., Ltd.
- Masaru Nagase
- G11 - INFORMATION STORAGE
Information Patent Grant
Method of controlling flash memory
- Patent number 7,032,094
- Issue date Apr 18, 2006
- Oki Electric Industry Co., Ltd.
- Hirofumi Muramatsu
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Data storage device and data transmission system using the same
- Patent number 6,854,047
- Issue date Feb 8, 2005
- Oki Electric Industry Co., Ltd.
- Hirofumi Muramatsu
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
FINGERPRINT AUTHENTICATION DEVICE AND COMPUTER READABLE MEDIUM
- Publication number 20120106808
- Publication date May 3, 2012
- LAPIS Semiconductor Co., Ltd.
- Kenichi Morioka
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Compressed audio file player
- Publication number 20080183319
- Publication date Jul 31, 2008
- Oki Electric Industry Co., Ltd.
- Hirofumi Muramatsu
- G11 - INFORMATION STORAGE
Information Patent Application
Decoder for fast feed and rewind
- Publication number 20070230897
- Publication date Oct 4, 2007
- Oki Electric Industry Co., Ltd.
- Masaru Nagase
- G11 - INFORMATION STORAGE