Hirofumi IWAKI

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Osaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Alkaline dry battery
- Patent number 8,080,336
- Issue date Dec 20, 2011
- Panasonic Corporation
- Hidekatsu Izumi
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Cylindrical alkaline battery
- Patent number 6,004,687
- Issue date Dec 21, 1999
- Matsushita Electric Industrial Co., Ltd.
- Hirofumi Iwaki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Manufacturing process of alkaline cell
- Patent number 5,316,557
- Issue date May 31, 1994
- Matsushita Electric Industrial Co., Ltd.
- Akira Iwase
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Cylindrical alkaline batteries
- Patent number 4,869,978
- Issue date Sep 26, 1989
- Matsushita Electric Industrial, Co., Ltd.
- Isao Kubo
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
ALKALINE DRY BATTERY
- Publication number 20090053595
- Publication date Feb 26, 2009
- Matsushita Electric Industrial Co., Ltd.
- Hidekatsu Izumi
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Alkaline battery
- Publication number 20070238024
- Publication date Oct 11, 2007
- Takashi Mushiga
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
BATTERY PACK
- Publication number 20060269836
- Publication date Nov 30, 2006
- Matsushita Electric Industrial Co., Ltd.
- Kenji YAMAMOTO
- H01 - BASIC ELECTRIC ELEMENTS