Hiroshi Ichigaya

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Saitamo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Portable rechargeable power supply device
- Patent number 10,205,199
- Issue date Feb 12, 2019
- SFT LABORATORY CO., LTD.
- Hiroshi Ichigaya
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Self-inspecting convergence measuring apparatus
- Patent number 5,077,600
- Issue date Dec 31, 1991
- Sony Corporation
- Hiroshi Ichigaya
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Apparatus for testing and adjusting color cathode ray tube equipment
- Patent number 4,989,072
- Issue date Jan 29, 1991
- Sony Corporation
- Satoshi Sato
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Auto convergence circuit
- Patent number 4,896,081
- Issue date Jan 23, 1990
- Sony Corporation
- Hiroshi Ichigaya
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Color cathode-ray tube with electron beam selection mask support st...
- Patent number 4,798,992
- Issue date Jan 17, 1989
- Sony Corporation
- Hiroshi Ichigaya
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Wave synthesizing apparatus
- Patent number 4,416,180
- Issue date Nov 22, 1983
- Sony Corporation
- Hiroshi Ichigaya
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Signal generating system utilizing a cathode ray tube
- Patent number 4,127,049
- Issue date Nov 28, 1978
- Sony Corporation
- Hiroshi Ichigaya
- G10 - MUSICAL INSTRUMENTS ACOUSTICS

Patents Applicationslast 30 patents

Information Patent Application
PORTABLE RECHARGEABLE POWER SUPPLY DEVICE
- Publication number 20160359205
- Publication date Dec 8, 2016
- SFT LABORATORY CO., LTD.
- Hiroshi ICHIGAYA
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER