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Toshio Umemoto

USPTO Granted Patents = 8

Average Co-Inventor Count = 3.1

ph-index = 7

Forward Citations = 380(Granted Patents)

Location History:

Koganei, JP (1980 - 1981)
Kawagoe, JP (1993)
Tanashi, JP (1994 - 1999)
Tokyo, JP (1988 - 2001)

Company Filing History:

Citizen Watch Company, Ltd.

Years Active: 1980-2001

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8 patents (USPTO):Sort by Forward Citations

Abstract keywords

1. 6298014 - Time information management system (2001-10-02),

2. 5966344 - Watch containing light transmitting metallic dial (1999-10-12),

3. 5703837 - Watch with light transmitting type display plate (1997-12-30),

4. 5331608 - Electronic watch with an antenna for a receiving device (1994-07-19),

5. 5224059 - Device for measuring altitude and barometric pressure (1993-06-29),

6. 4783772 - Wristwatch with pressure sensor (1988-11-08),

7. 4251604 - Battery assembly for electronic timepieces (1981-02-17),

8. 4232512 - Solid state watch module construction (1980-11-11),

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