Masaaki Mandai

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Semiconductor sensor device comprised of plural sensor chips connec...
- Patent number 5,977,575
- Issue date Nov 2, 1999
- Seiko Instruments Inc.
- Masaaki Mandai
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor device having a trapezoidal joint chip
- Patent number 5,869,893
- Issue date Feb 9, 1999
- Seiko Instruments Inc.
- Osamu Koseki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Avalanche photodiode for light detection
- Patent number 5,763,903
- Issue date Jun 9, 1998
- Seiko Instruments Inc.
- Masaaki Mandai
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor device composed of plural semiconductor chips and cou...
- Patent number 5,744,379
- Issue date Apr 28, 1998
- Seiko Instruments, Inc.
- Masaaki Mandai
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor device and process for fabricating the same
- Patent number 5,639,693
- Issue date Jun 17, 1997
- Seiko Instruments Inc.
- Osamu Koseki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Projection pad using liquid crystal panel
- Patent number 5,076,543
- Issue date Dec 31, 1991
- Seiko Instruments Inc.
- Masaaki Mandai
- G02 - OPTICS
Information Patent Grant
Electronic timepiece
- Patent number 4,445,784
- Issue date May 1, 1984
- Kabushiki Kaisha Daini Seikosha
- Masaharu Shida
- G04 - HOROLOGY
Information Patent Grant
Electronic timepiece
- Patent number 4,437,769
- Issue date Mar 20, 1984
- Seiko Instruments & Electronics Ltd.
- Masaharu Shida
- G04 - HOROLOGY
Information Patent Grant
Electronic watch
- Patent number 4,382,691
- Issue date May 10, 1983
- Kabushiki Kaisha Daini Seikosha
- Masaharu Shida
- G04 - HOROLOGY
Information Patent Grant
Detection device of electronic timepiece
- Patent number 4,352,172
- Issue date Sep 28, 1982
- Kabushiki Kaisha Daini Seikosha
- Makoto Ueda
- G01 - MEASURING TESTING
Information Patent Grant
Electronic timepiece
- Patent number 4,326,278
- Issue date Apr 20, 1982
- Kabushiki Kaisha Daini Seikosha
- Masaharu Shida
- G04 - HOROLOGY
Information Patent Grant
Electronic timepiece
- Patent number 4,321,520
- Issue date Mar 23, 1982
- Kabushiki Kaisha Daini Seikosha
- Makoto Ueda
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Detection device of electronic timepiece
- Patent number 4,321,521
- Issue date Mar 23, 1982
- Kabushiki Kaisha Daini Seikosha
- Makoto Ueda
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Magnetic field detection device for electronic timepiece
- Patent number 4,321,519
- Issue date Mar 23, 1982
- Kabushiki Kaisha Daini Seikosha
- Makoto Ueda
- G01 - MEASURING TESTING
Information Patent Grant
Electronic timepiece
- Patent number 4,312,059
- Issue date Jan 19, 1982
- Kabushiki Kaisha Daini Seikosha
- Masaaki Mandai
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Electronic watch
- Patent number 4,276,626
- Issue date Jun 30, 1981
- Kabushiki Kaisha Daini Seikosha
- Katsuhiko Satoh
- G04 - HOROLOGY
Information Patent Grant
Electronic timepiece with rotation detector
- Patent number 4,272,837
- Issue date Jun 9, 1981
- Kabushiki Kaisha Daini Seikosha
- Makoto Ueda
- G04 - HOROLOGY
Information Patent Grant
Electronic watch
- Patent number 4,271,496
- Issue date Jun 2, 1981
- Kabushiki Kaisha Daini Seikosha
- Masaharu Shida
- G04 - HOROLOGY
Information Patent Grant
Electronic timepiece
- Patent number 4,217,751
- Issue date Aug 19, 1980
- Kabushiki Kaisha Daini Seikosha
- Akira Torisawa
- G04 - HOROLOGY
Information Patent Grant
Electronic timepiece
- Patent number 4,204,397
- Issue date May 27, 1980
- Kabushiki Kaisha Daini Seikosha
- Kazuhiro Asano
- G04 - HOROLOGY

Masaaki Mandai

Person

Patents Grantslast 30 patents

Semiconductor sensor device comprised of plural sensor chips connec...

Semiconductor device having a trapezoidal joint chip

Avalanche photodiode for light detection

Semiconductor device composed of plural semiconductor chips and cou...

Semiconductor device and process for fabricating the same

Projection pad using liquid crystal panel

Electronic timepiece

Electronic timepiece

Electronic watch

Detection device of electronic timepiece

Electronic timepiece

Electronic timepiece

Detection device of electronic timepiece

Magnetic field detection device for electronic timepiece

Electronic timepiece

Electronic watch

Electronic timepiece with rotation detector

Electronic watch

Electronic timepiece

Electronic timepiece