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Yoshinori Hayashi
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Shizuoka, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Position detecting device and linear conveyor device provided with...
Patent number
10,954,073
Issue date
Mar 23, 2021
Yamaha Hatsudoki Kabushiki Kaisha
Yoshinori Hayashi
G01 - MEASURING TESTING
Information
Patent Grant
Apparatus for detecting displacement of electromagnetic actuator
Patent number
8,773,114
Issue date
Jul 8, 2014
Yamaha Corporation
Yoshinori Hayashi
G01 - MEASURING TESTING
Information
Patent Grant
Keyboard apparatus
Patent number
8,648,236
Issue date
Feb 11, 2014
Yamaha Corporation
Yoshinori Hayashi
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Keyboard apparatus
Patent number
8,383,920
Issue date
Feb 26, 2013
Yamaha Corporation
Akihiko Komatsu
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Keyboard apparatus
Patent number
8,288,640
Issue date
Oct 16, 2012
Yamaha Corporation
Nariyasu Yaguchi
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Position detector
Patent number
8,044,658
Issue date
Oct 25, 2011
Yamaha Corporation
Yoshinori Hayashi
G01 - MEASURING TESTING
Information
Patent Grant
Wind musical instrument with pitch changing mechanism and supportin...
Patent number
7,786,372
Issue date
Aug 31, 2010
Yamaha Corporation
Shuichi Sawada
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Key actuating apparatus and key actuation control system
Patent number
7,692,078
Issue date
Apr 6, 2010
Yamaha Corporation
Yoshinori Hayashi
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Key actuating system
Patent number
7,667,116
Issue date
Feb 23, 2010
Yamaha Corporation
Masayoshi Yamashita
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Magnetic scale manufacturing method and magnetic scale
Patent number
7,617,614
Issue date
Nov 17, 2009
Yamaha Corporation
Kojiro Kato
G01 - MEASURING TESTING
Information
Patent Grant
Wind musical instrument equipped with slide and supporting system f...
Patent number
7,402,738
Issue date
Jul 22, 2008
Yamaha Corporation
Shuichi Sawada
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Wind musical instrument having pads for closing tone holes with mec...
Patent number
7,385,134
Issue date
Jun 10, 2008
Yamaha Corporation
Shuichi Sawada
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Magnetic detecting apparatus with a variable voltage power supply
Patent number
5,493,218
Issue date
Feb 20, 1996
Yamaha Corporation
Yoshinori Hayashi
G01 - MEASURING TESTING
Information
Patent Grant
Magnetic recording medium for encoders
Patent number
5,187,022
Issue date
Feb 16, 1993
Yamaha Corporation
Mutsumi Harada
G11 - INFORMATION STORAGE
Information
Patent Grant
Absolute encoder
Patent number
5,012,238
Issue date
Apr 30, 1991
Yamaha Corporation
Yoshinori Hayashi
G01 - MEASURING TESTING
Information
Patent Grant
Power source monitor and a rotary encoder with such a monitor
Patent number
5,007,057
Issue date
Apr 9, 1991
Yamaha Corporation
Kenzaburou Iijima
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Magnetic recording medium for displacement detectors
Patent number
4,987,040
Issue date
Jan 22, 1991
Yamaha Corporation
Kenzaburou Iijima
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Signal processing circuit for an encoder
Patent number
4,987,414
Issue date
Jan 22, 1991
Yamaha Corporation
Kenzaburou Iijima
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Compact magnetic encoder
Patent number
4,983,916
Issue date
Jan 8, 1991
Yamaha Corporation
Kenzaburou Iijima
G01 - MEASURING TESTING
Information
Patent Grant
Magnetic-resistor sensor and a magnetic encoder using such a sensor
Patent number
4,954,803
Issue date
Sep 4, 1990
Yamaha Corporation
Kenzaburou Iijima
G01 - MEASURING TESTING
Information
Patent Grant
Non-contact type pattern sensor with variable clearance compensation
Patent number
4,944,028
Issue date
Jul 24, 1990
Nippon Gakki Seizo Kabushiki Kaisha
Kenzaburou Iijima
G01 - MEASURING TESTING
Information
Patent Grant
Input circuit for a digital phase locked loop
Patent number
4,879,674
Issue date
Nov 7, 1989
Yamaha Corporation
Kenzaburou Iijima
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Keyboard
Patent number
4,855,740
Issue date
Aug 8, 1989
Yamaha Corporation
Toshihiro Muramatsu
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Frequency sensing and control circuit
Patent number
4,847,879
Issue date
Jul 11, 1989
Yamaha Corporation
Kenzaburou Iijima
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Overlapped magnetoresistive displacement detecting transducers havi...
Patent number
4,806,860
Issue date
Feb 21, 1989
Nippon Gakki Seizo Kabushiki Kaisha
Kenzaburou Iijima
G01 - MEASURING TESTING
Information
Patent Grant
Displacement detector for an encoder
Patent number
4,782,329
Issue date
Nov 1, 1988
Nippon Gakki Seizo Kabushiki Kaisha
Kenzaburou Iijima
G01 - MEASURING TESTING
Information
Patent Grant
Non-contact head with variable clearance compensating means
Patent number
4,768,119
Issue date
Aug 30, 1988
Nippon Gakki Seizo Kabushiki Kaisha
Kenzaburou Iijima
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Method for producing a magnet with radial magnetic anisotropy
Patent number
4,715,904
Issue date
Dec 29, 1987
Nippon Gakki Seizo Kabushiki Kaisha
Kenzaburo Iijima
C21 - METALLURGY OF IRON
Information
Patent Grant
Method for producing a shadow mask for a color cathode ray tube
Patent number
4,683,013
Issue date
Jul 28, 1987
Nippon Gakki Seizo Kabushiki Kaisha
Kenzaburou Iijima
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method for producing anistropic configuration magnet
Patent number
4,601,764
Issue date
Jul 22, 1986
Nippon Gakki Seizo Kabushiki Kaisha
Kenzaburo Iijima
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
CONVEYANCE DEVICE
Publication number
20240343504
Publication date
Oct 17, 2024
YAMAHA HATSUDOKI KABUSHIKI KAISHA
Yoshinori HAYASHI
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Application
CONVEYANCE DEVICE AND SLIDER POSITION DETECTING DEVICE
Publication number
20230341244
Publication date
Oct 26, 2023
YAMAHA HATSUDOKI KABUSHIKI KAISHA
Shunsuke AOKI
G01 - MEASURING TESTING
Information
Patent Application
POSITION DETECTING DEVICE AND LINEAR CONVEYOR DEVICE PROVIDED WITH...
Publication number
20190193942
Publication date
Jun 27, 2019
YAMAHA HATSUDOKI KABUSHIKI KAISHA
Yoshinori HAYASHI
G01 - MEASURING TESTING
Information
Patent Application
KEYBOARD APPARATUS
Publication number
20130199356
Publication date
Aug 8, 2013
Yamaha Corporation
Yoshinori Hayashi
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Application
APPARATUS FOR DETECTING DISPLACEMENT OF ELECTROMAGNETIC ACTUATOR
Publication number
20110234210
Publication date
Sep 29, 2011
Yamaha Corporation
Yoshinori HAYASHI
G01 - MEASURING TESTING
Information
Patent Application
KEYBOARD APPARATUS
Publication number
20110067557
Publication date
Mar 24, 2011
Yamaha Corporation
Akihiko KOMATSU
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Application
KEYBOARD APPARATUS
Publication number
20100326257
Publication date
Dec 30, 2010
Yamaha Corporation
Nariyasu YAGUCHI
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Application
KEYBOARD APPARATUS
Publication number
20100326260
Publication date
Dec 30, 2010
Yamaha Corporation
Akihiko KOMATSU
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Application
Position Detector
Publication number
20090033317
Publication date
Feb 5, 2009
Yamaha Corporation
Yoshinori Hayashi
G01 - MEASURING TESTING
Information
Patent Application
MUSICAL KEYBOARD INSTRUMENT
Publication number
20080127799
Publication date
Jun 5, 2008
Yamaha Corporation
Masayoshi Yamashita
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Application
Key actuating system
Publication number
20080092720
Publication date
Apr 24, 2008
Masayoshi Yamashita
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Application
Key actuating apparatus and key actuation control system
Publication number
20080083314
Publication date
Apr 10, 2008
Yoshinori Hayashi
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
WIND MUSICAL INSTRUMENT WITH PITCH CHANGING MECHANISM AND SUPPORTIN...
Publication number
20070234887
Publication date
Oct 11, 2007
Yamaha Corporation
Shuichi Sawada
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Application
WIND MUSICAL INSTRUMENT HAVING PADS FOR CLOSING TONE HOLES WITH MEC...
Publication number
20070227343
Publication date
Oct 4, 2007
Yamaha Corporation
Shuichi Sawada
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Application
Magnetic scale manufacturing method and magnetic scale
Publication number
20070220772
Publication date
Sep 27, 2007
Yamaha Corporation
Kojiro Kato
G01 - MEASURING TESTING
Information
Patent Application
WIND MUSICAL INSTRUMENT EQUIPPED WITH SLIDE AND SUPPORTING SYSTEM F...
Publication number
20070221038
Publication date
Sep 27, 2007
Yamaha Corporation
Shuichi Sawada
G10 - MUSICAL INSTRUMENTS ACOUSTICS