Junichi Aizawa

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Semiconductor switch circuit, signal processing apparatus, and ultr...
- Patent number 9,531,368
- Issue date Dec 27, 2016
- Hitachi Power Semiconductor Device, Ltd.
- Hironobu Honda
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Projection apparatus
- Patent number 7,883,220
- Issue date Feb 8, 2011
- Mitsubishi Electric Corporation
- Atsushi Michimori
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image display projector having a drive unit for moving either a Fre...
- Patent number 7,816,637
- Issue date Oct 19, 2010
- Mitsubishi Electric Corporation
- Atsushi Michimori
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Luminous pointer and manufacturing method thereof
- Patent number 5,116,270
- Issue date May 26, 1992
- Seikosha Co., Ltd.
- Junichi Aizawa
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Three hands type clock with belt drive
- Patent number 5,105,398
- Issue date Apr 14, 1992
- Seikosha Co., Ltd.
- Tsuyoshi Hayakawa
- G04 - HOROLOGY
Information Patent Grant
Timepiece with mobile decorations
- Patent number 5,047,998
- Issue date Sep 10, 1991
- Seikosha Co., Ltd.
- Junichi Aizawa
- G04 - HOROLOGY
Information Patent Grant
Method of spot welding parts of an electromagnetic bell unit
- Patent number 4,968,971
- Issue date Nov 6, 1990
- Seikosha Co., Ltd.
- Junichi Aizawa
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Electromagnetic bell unit, its fitting structure and a method of we...
- Patent number 4,912,453
- Issue date Mar 27, 1990
- Seikosha Co., Ltd.
- Junichi Aizawa
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Electromagnetic bell
- Patent number D304163
- Issue date Oct 24, 1989
- Seikosha Co., Ltd.
- Junichi Aizawa
- D10 - Measuring, testing, or signalling instruments
Information Patent Grant
Method of connecting coil
- Patent number 4,745,682
- Issue date May 24, 1988
- Seikosha Co,, Ltd.
- Tsuyoshi Hayakawa
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
SEMICONDUCTOR SWITCH CIRCUIT, SIGNAL PROCESSING APPARATUS, AND ULTR...
- Publication number 20150087990
- Publication date Mar 26, 2015
- HITACHI POWER SEMICONDUCTOR DEVICE, LTD.
- Hironobu HONDA
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Image electric projector and image displaying method
- Publication number 20070247707
- Publication date Oct 25, 2007
- Mitsubishi Electric Corporation
- Atsushi Michimori
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Projection apparatus
- Publication number 20070183032
- Publication date Aug 9, 2007
- Mitsubishi Electric Corporation
- Atsushi Michimori
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Junichi Aizawa

Person

Patents Grantslast 30 patents

Semiconductor switch circuit, signal processing apparatus, and ultr...

Projection apparatus

Image display projector having a drive unit for moving either a Fre...

Luminous pointer and manufacturing method thereof

Three hands type clock with belt drive

Timepiece with mobile decorations

Method of spot welding parts of an electromagnetic bell unit

Electromagnetic bell unit, its fitting structure and a method of we...

Electromagnetic bell

Method of connecting coil

Patents Applicationslast 30 patents

SEMICONDUCTOR SWITCH CIRCUIT, SIGNAL PROCESSING APPARATUS, AND ULTR...

Image electric projector and image displaying method

Projection apparatus