Kenzaburou Iijima

Person

Hamamatsu, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Peltier module with durable power supply lines and exothermic modul...
- Patent number 7,026,712
- Issue date Apr 11, 2006
- Yamaha Corporation
- Takahiro Hayashi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Optical fiber coupler reinforcing member and optical fiber coupler
- Patent number 6,942,399
- Issue date Sep 13, 2005
- Yamaha Corporation
- Nanayuki Takeuchi
- G02 - OPTICS
Information Patent Grant
Heat radiator for electronic device and method of making it
- Patent number 6,917,638
- Issue date Jul 12, 2005
- Yamaha Corporation
- Katsunori Suzuki
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Semiconductor chip mounting method
- Patent number 5,946,597
- Issue date Aug 31, 1999
- Yamaha Corporation
- Michio Miura
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Flying spherical body measuring apparatus
- Patent number 5,481,355
- Issue date Jan 2, 1996
- Yamaha Corporation
- Kenzaburou Iijima
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Speaker diaphragm
- Patent number 5,241,140
- Issue date Aug 31, 1993
- Yamaha Corporation
- Hiroaki Itoh
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Golf club head and its manufacturing
- Patent number 5,131,986
- Issue date Jul 21, 1992
- Yamaha Corporation
- Mutsumi Harada
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Method of drawing glass encased superconductive oxide core
- Patent number 5,037,800
- Issue date Aug 6, 1991
- Yamaha Corporation
- Kenzaburou Iijima
- H01 - BASIC ELECTRIC ELEMENTS
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
FE-B magnets containing Nd-Pr-Ce rare earth elements
- Patent number 4,908,076
- Issue date Mar 13, 1990
- Yamaha Corporation
- Kenzaburou Iijima
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Rare earth type magnet and a method for producing the same
- Patent number 4,894,097
- Issue date Jan 16, 1990
- Yamaha Corporation
- Kenzaburou Iijima
- H01 - BASIC ELECTRIC ELEMENTS
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
Magnetic encoder and a method for producing the same
- Patent number 4,851,752
- Issue date Jul 25, 1989
- Yamaha Corporation
- Seiya Nishimura
- G01 - MEASURING TESTING
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
Displacement detector for an encoder
- Patent number 4,811,254
- Issue date Mar 7, 1989
- Nippon Gakki Seizo Kabushiki Kaisha
- 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 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

Patents Applicationslast 30 patents

Information Patent Application
Optical fiber coupler reinforcing member and optical fiber coupler
- Publication number 20040071415
- Publication date Apr 15, 2004
- Nanayuki Takeuchi
- G02 - OPTICS
Information Patent Application
Peltier module with durable power supply lines and exothermic modul...
- Publication number 20030193087
- Publication date Oct 16, 2003
- Yamaha Corporation
- Takahiro Hayashi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Heat radiator for electronic device and method of making it
- Publication number 20020043364
- Publication date Apr 18, 2002
- Yamaha Corporation
- Katsunori Suzuki
- B22 - CASTING POWDER METALLURGY

Kenzaburou Iijima

Person

Patents Grantslast 30 patents

Peltier module with durable power supply lines and exothermic modul...

Optical fiber coupler reinforcing member and optical fiber coupler

Heat radiator for electronic device and method of making it

Semiconductor chip mounting method

Flying spherical body measuring apparatus

Speaker diaphragm

Golf club head and its manufacturing

Method of drawing glass encased superconductive oxide core

Absolute encoder

Power source monitor and a rotary encoder with such a monitor

Magnetic recording medium for displacement detectors

Signal processing circuit for an encoder

Compact magnetic encoder

Magnetic-resistor sensor and a magnetic encoder using such a sensor

Non-contact type pattern sensor with variable clearance compensation

FE-B magnets containing Nd-Pr-Ce rare earth elements

Rare earth type magnet and a method for producing the same

Input circuit for a digital phase locked loop

Keyboard

Magnetic encoder and a method for producing the same

Frequency sensing and control circuit

Displacement detector for an encoder

Overlapped magnetoresistive displacement detecting transducers havi...

Displacement detector for an encoder

Non-contact head with variable clearance compensating means

Method for producing a shadow mask for a color cathode ray tube

Patents Applicationslast 30 patents

Optical fiber coupler reinforcing member and optical fiber coupler

Peltier module with durable power supply lines and exothermic modul...

Heat radiator for electronic device and method of making it