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Takashi Yamanaka
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Chiba, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Optical switch and method of controlling the same
Patent number
6,771,848
Issue date
Aug 3, 2004
Seiko Instruments Inc.
Takashi Yamanaka
G02 - OPTICS
Information
Patent Grant
Portable dosing apparatus
Patent number
6,659,978
Issue date
Dec 9, 2003
Seiko Instruments Inc.
Masao Kasuga
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Moving mechanism having a positioning mechanism and electronic devi...
Patent number
6,487,337
Issue date
Nov 26, 2002
Seiko Instruments Inc.
Takashi Yamanaka
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Ultrasonic motor and electronic apparatus having ultrasonic motor
Patent number
6,388,362
Issue date
May 14, 2002
Seiko Instruments Inc.
Kenji Suzuki
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Ultrasonic motor and electronic apparatus with ultrasonic motor
Patent number
6,177,754
Issue date
Jan 23, 2001
Seiko Instruments Inc.
Makoto Suzuki
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Ultrasonic motor and electronic apparatus and analog timepiece havi...
Patent number
6,104,124
Issue date
Aug 15, 2000
Seiko Instruments Inc.
Kenji Suzuki
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Patents Applications
last 30 patents
Information
Patent Application
Optical switch and method of controlling the same
Publication number
20020085790
Publication date
Jul 4, 2002
Takashi Yamanaka
G02 - OPTICS
Information
Patent Application
Medical module apparatus
Publication number
20020062094
Publication date
May 23, 2002
Masao Kasuga
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Application
Optical communication device and its control method
Publication number
20020012149
Publication date
Jan 31, 2002
Takashi Yamanaka
G02 - OPTICS
Information
Patent Application
ULTRASONIC MOTOR AND ELECTRONIC DEVICE WITH ULTRANSONIC MOTOR
Publication number
20010011859
Publication date
Aug 9, 2001
TAKASHI YAMANAKA
G04 - HOROLOGY