Koji Sako

Person

Okayama, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Antenna for portable cellular telephone
- Patent number 7,180,453
- Issue date Feb 20, 2007
- Matsushita Electric Industrial Co., Ltd.
- Yoshinobu Nakagawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Movable contact unit, panel switch using the same and electronic eq...
- Patent number 6,906,275
- Issue date Jun 14, 2005
- Matsushita Electric Industrial Co., Ltd.
- Hiromichi Koyama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Antenna and communication equipment incorporating the antenna
- Patent number 6,842,142
- Issue date Jan 11, 2005
- Matsushita Electric Industrial Co., Ltd.
- Setsuo Takesako
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Push switch
- Patent number 6,610,950
- Issue date Aug 26, 2003
- Matsushita Electric Industrial Co., Ltd.
- Kenji Kamio
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Push switch
- Patent number 6,608,273
- Issue date Aug 19, 2003
- Matsushita Electric Industrial Co., Ltd.
- Hisashi Watanabe
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Push switch having reduced size
- Patent number 6,518,527
- Issue date Feb 11, 2003
- Matsushita Electric Industrial Co., Ltd.
- Hisashi Watanabe
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Push-on switch, electronic apparatus using the same and method for...
- Patent number 6,489,580
- Issue date Dec 3, 2002
- Matsushita Electric Industrial Co., Ltd.
- Yasunori Yanai
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Antenna device and method for manufacturing the same
- Patent number 6,369,777
- Issue date Apr 9, 2002
- Matsushita Electric Industrial Co., Ltd.
- Masahiro Ohara
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Switch having improved contact performance
- Patent number 6,333,477
- Issue date Dec 25, 2001
- Matsushita Electric Industrial Co., Ltd.
- Hiromichi Koyama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Helical coil, method of producing same and helical antenna using same
- Patent number 6,147,661
- Issue date Nov 14, 2000
- Matsushita Electric Industrial Co., Ltd.
- Yoshinobu Nakagawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Movable contact unit for panel switch and panel switch using the same
- Patent number 5,986,228
- Issue date Nov 16, 1999
- Matsushita Electric Industrial Co., Ltd.
- Yuji Okamoto
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Panel switch movable contact body and panel switch using the movabl...
- Patent number 5,924,555
- Issue date Jul 20, 1999
- Matsushita Electric Industrial Co., Ltd.
- Akira Sadamori
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Long-stroke push-on switch with reduced height
- Patent number 5,895,901
- Issue date Apr 20, 1999
- Matsushita Electric Industrial Co., Ltd.
- Hisashi Watanabe
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Movable contact element for panel switch and method of manufacturin...
- Patent number 5,845,766
- Issue date Dec 8, 1998
- Matsushita Electric Industrial Co., Ltd.
- Koji Sako
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Antenna for portable cellular telephone
- Publication number 20050225488
- Publication date Oct 13, 2005
- MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
- Yoshinobu Nakagawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Antenna and communication equipment incorporating the antenna
- Publication number 20030179144
- Publication date Sep 25, 2003
- Setsuo Takesako
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Movable contact unit, panel switch using the same and electronic eq...
- Publication number 20030089585
- Publication date May 15, 2003
- Matsushita Elec. Ind. Co. Ltd.
- Hiromichi Koyama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Push switch
- Publication number 20030015411
- Publication date Jan 23, 2003
- Hisashi Watanabe
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Push switch
- Publication number 20010022269
- Publication date Sep 20, 2001
- Hisashi Watanabe
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Push-on switch, electronic apparatus using the same and method for...
- Publication number 20010013466
- Publication date Aug 16, 2001
- Yasunori Yanai
- H01 - BASIC ELECTRIC ELEMENTS

Person

Patents Grantslast 30 patents

Antenna for portable cellular telephone

Movable contact unit, panel switch using the same and electronic eq...

Antenna and communication equipment incorporating the antenna

Push switch

Push switch

Push switch having reduced size

Push-on switch, electronic apparatus using the same and method for...

Antenna device and method for manufacturing the same

Switch having improved contact performance

Helical coil, method of producing same and helical antenna using same

Movable contact unit for panel switch and panel switch using the same

Panel switch movable contact body and panel switch using the movabl...

Long-stroke push-on switch with reduced height

Movable contact element for panel switch and method of manufacturin...

Patents Applicationslast 30 patents

Antenna for portable cellular telephone

Antenna and communication equipment incorporating the antenna

Movable contact unit, panel switch using the same and electronic eq...

Push switch

Push switch

Push-on switch, electronic apparatus using the same and method for...