Seiichiro Hiratsuka

Person

Kitakyushu-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for three-dimensional signal conversion
- Patent number 7,068,859
- Issue date Jun 27, 2006
- Matsushita Electric Industrial Co., Ltd.
- Seiichiro Hiratsuka
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Image processor
- Patent number 6,924,819
- Issue date Aug 2, 2005
- Matsushita Electric Industrial Co., Ltd.
- Yukihiro Nishida
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method of image coding, image coding apparatus, and recording mediu...
- Patent number 6,801,664
- Issue date Oct 5, 2004
- Matsushita Electric Industrial Co., Ltd.
- Masaaki Kobayashi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Image encoding method and apparatus
- Patent number 6,681,049
- Issue date Jan 20, 2004
- Matsushita Electric Industrial Co., Ltd.
- Masaaki Kobayashi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Reversible coding method, reversible coding apparatus, and memory m...
- Patent number 6,611,620
- Issue date Aug 26, 2003
- Matsushita Electric Industrial Co. Ltd.
- Masaaki Kobayashi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method of gradation reproduction
- Patent number 6,563,604
- Issue date May 13, 2003
- Matsushita Electric Industrial Co., Ltd.
- Hiroyuki Morimatsu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Color adjustment method for pixels of color images that designates...
- Patent number 6,108,441
- Issue date Aug 22, 2000
- Matsushita Electric Industrial Co. Ltd.
- Seiichiro Hiratsuka
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Image compression method
- Patent number 6,067,380
- Issue date May 23, 2000
- Matsushita Electric Industrial Co., Ltd.
- Tetsuo Tanaka
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Image compression method
- Patent number 5,978,098
- Issue date Nov 2, 1999
- Matsushita Electric Industrial Co., Ltd.
- Noriko Takeuchi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Color image processing apparatus
- Patent number 5,907,414
- Issue date May 25, 1999
- Matsushita Electric Industrial Co., Ltd.
- Seiichiro Hiratsuka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Color separating device and color image reading device incorporatin...
- Patent number 5,715,095
- Issue date Feb 3, 1998
- Matsushita Electric Industrial Co., Ltd.
- Seiichiro Hiratsuka
- G02 - OPTICS
Information Patent Grant
Image signal processing apparatus and image formation apparatus inc...
- Patent number 5,387,988
- Issue date Feb 7, 1995
- Matsushita Electric Industrial Co., Ltd.
- Seiichiro Hiratsuka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Halftone image forming apparatus including density based dot enlarg...
- Patent number 5,337,167
- Issue date Aug 9, 1994
- Matsushita Electric Industrial Co., Ltd.
- Seiichiro Hiratsuka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Image processing separately processing two-density-level image data...
- Patent number 5,301,271
- Issue date Apr 5, 1994
- Matsushita Electric Industrial Co., Ltd.
- Seiichiro Hiratsuka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Image forming device for enhancing tone reproduction by changing do...
- Patent number 5,287,209
- Issue date Feb 15, 1994
- Matsushita Electric Industrial Co., Ltd.
- Seiichiro Hiratsuka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Compact color image processing apparatus with enhanced density conv...
- Patent number 5,237,400
- Issue date Aug 17, 1993
- Konica Corporation
- Koji Washio
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Image processor
- Publication number 20040145759
- Publication date Jul 29, 2004
- Matsushita Electric Industrial Co., Ltd.
- Yukihiro Nishida
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method and apparatus for three-dimensional signal conversion
- Publication number 20020080232
- Publication date Jun 27, 2002
- Seiichiro Hiratsuka
- G06 - COMPUTING CALCULATING COUNTING

Seiichiro Hiratsuka

Person

Patents Grantslast 30 patents

Method and apparatus for three-dimensional signal conversion

Image processor

Method of image coding, image coding apparatus, and recording mediu...

Image encoding method and apparatus

Reversible coding method, reversible coding apparatus, and memory m...

Method of gradation reproduction

Color adjustment method for pixels of color images that designates...

Image compression method

Image compression method

Color image processing apparatus

Color separating device and color image reading device incorporatin...

Image signal processing apparatus and image formation apparatus inc...

Halftone image forming apparatus including density based dot enlarg...

Image processing separately processing two-density-level image data...

Image forming device for enhancing tone reproduction by changing do...

Compact color image processing apparatus with enhanced density conv...

Patents Applicationslast 30 patents

Image processor

Method and apparatus for three-dimensional signal conversion