Takashi Azumi

Person

Yokohama, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Dust-proof portable IC card reader
- Patent number 5,949,047
- Issue date Sep 7, 1999
- Hitachi, Ltd.
- Yuhei Abe
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Dust-proof portable IC card reader
- Patent number 5,686,714
- Issue date Nov 11, 1997
- Hitachi, Ltd.
- Yuhei Abe
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Focusing apparatus for video camera or the like
- Patent number 5,654,757
- Issue date Aug 5, 1997
- Hitachi, Ltd.
- Toshio Murakami
- G02 - OPTICS
Information Patent Grant
Video camera with autofocus function and method of controlling the...
- Patent number 5,486,860
- Issue date Jan 23, 1996
- Hitachi, Ltd.
- Junji Shiokawa
- G02 - OPTICS
Information Patent Grant
Focusing apparatus for video camera or the like
- Patent number 5,408,332
- Issue date Apr 18, 1995
- Hitachi, Ltd.
- Toshio Murakami
- G02 - OPTICS
Information Patent Grant
Focusing apparatus of video camera or the like
- Patent number 5,003,400
- Issue date Mar 26, 1991
- Hitachi, Ltd.
- Toshio Murakami
- G02 - OPTICS
Information Patent Grant
Automatic focusing apparatus having an automatic offset voltage reg...
- Patent number 4,868,666
- Issue date Sep 19, 1989
- Hitachi, Ltd.
- Takashi Azumi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Automatic focusing apparatus for use in video camera and the like
- Patent number 4,842,387
- Issue date Jun 27, 1989
- Hitachi, Ltd.
- Toshio Murakami
- G02 - OPTICS
Information Patent Grant
Automatic focusing apparatus
- Patent number 4,782,356
- Issue date Nov 1, 1988
- Hitachi, Ltd.
- Kenji Sano
- G02 - OPTICS
Information Patent Grant
Range finding automatic focusing system employing a rotatable trans...
- Patent number 4,740,676
- Issue date Apr 26, 1988
- Hitachi, Ltd.
- Hironobu Satoh
- G02 - OPTICS
Information Patent Grant
Lens system with plastic lenses compensating for temperature changes
- Patent number 4,557,567
- Issue date Dec 10, 1985
- Hitachi, Ltd.
- Takashi Azumi
- G02 - OPTICS

Takashi Azumi

Person

Patents Grantslast 30 patents

Dust-proof portable IC card reader

Dust-proof portable IC card reader

Focusing apparatus for video camera or the like

Video camera with autofocus function and method of controlling the...

Focusing apparatus for video camera or the like

Focusing apparatus of video camera or the like

Automatic focusing apparatus having an automatic offset voltage reg...

Automatic focusing apparatus for use in video camera and the like

Automatic focusing apparatus

Range finding automatic focusing system employing a rotatable trans...

Lens system with plastic lenses compensating for temperature changes