Hiroaki Sakai

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Fukuoka-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical disk and optical disk device
- Patent number 7,809,259
- Issue date Oct 5, 2010
- Panasonic Corporation
- Kazumi Ohtsubo
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Apparatus for peeling the interlayer of a two-sided adhesive tape
- Patent number 5,679,203
- Issue date Oct 21, 1997
- Matsushita Electric Industrial Co., Ltd.
- Hiroaki Sakai
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Method for peeling the interlayer of a two-sided adhesive tape
- Patent number 5,492,590
- Issue date Feb 20, 1996
- Matsushita Electric Industrial Co., Ltd.
- Hiroaki Sakai
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Sticking apparatus and sticking method
- Patent number 5,403,412
- Issue date Apr 4, 1995
- Matsushita Electric Industrial Co., Ltd.
- Masao Hidaka
- B32 - LAYERED PRODUCTS
Information Patent Grant
Ink jet apparatus with voltage control unit controlling a voltage s...
- Patent number 5,159,355
- Issue date Oct 27, 1992
- Matsushita Electric Industrial Co., Ltd.
- Hideaki Horio
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Multi-pen recording device
- Patent number 4,673,954
- Issue date Jun 16, 1987
- Matsushita Electric Industrial Co., Ltd.
- Hiroaki Sakai
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
Electronic paper display system
- Publication number 20060017659
- Publication date Jan 26, 2006
- Matsushita Electric Industrial Co., Ltd.
- Toshiyuki Ogawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Optical disk and optical disk device
- Publication number 20060018243
- Publication date Jan 26, 2006
- Matsushita Electric Industrial Co., Ltd.
- Kazumi Ohtsubo
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
Electronic paper display system
- Publication number 20050246621
- Publication date Nov 3, 2005
- Matsushita Electric Industrial Co., Ltd.
- Toshiyuki Ogawa
- G06 - COMPUTING CALCULATING COUNTING