Katsuyoshi Aihara

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Kawagoe-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Analog electronic watch system and analog electronic watch
- Patent number 11,226,593
- Issue date Jan 18, 2022
- Citizen Watch Co., Ltd.
- Makoto Watanabe
- G04 - HOROLOGY
Information Patent Grant
Charging circuit
- Patent number 6,853,219
- Issue date Feb 8, 2005
- Citizen Watch Co., Ltd.
- Katsuyoshi Aihara
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Crystal oscillator circuit using CMOSFETs
- Patent number 6,727,769
- Issue date Apr 27, 2004
- Citizen Watch Co., Ltd.
- Katsuyoshi Aihara
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Semiconductor device having recrystallized source/drain regions
- Patent number 5,986,311
- Issue date Nov 16, 1999
- Citizen Watch Company, Ltd.
- Katsuyoshi Aihara
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor device and method of fabricating the same
- Patent number 5,960,268
- Issue date Sep 28, 1999
- Citizen Watch Co., Ltd.
- Katsuyoshi Aihara
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
ANALOG ELECTRIC WATCH SYSTEM AND ANALOG ELECTRONIC WATCH
- Publication number 20200379411
- Publication date Dec 3, 2020
- Citizen Watch Co., Ltd.
- Makoto WATANABE
- G04 - HOROLOGY
Information Patent Application
Charging circuit
- Publication number 20040155697
- Publication date Aug 12, 2004
- Katsuyoshi Aihara
- G04 - HOROLOGY
Information Patent Application
Crystal oscillator circuit using CMOSFETs
- Publication number 20020180542
- Publication date Dec 5, 2002
- CITIZEN WATCH CO., LTD.
- Katsuyoshi Aihara
- H03 - BASIC ELECTRONIC CIRCUITRY