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Toyoshi Fukumura

USPTO Granted Patents = 11

Average Co-Inventor Count = 3.0

ph-index = 6

Forward Citations = 237(Granted Patents)

Location History:

Neyagawa, JA (1976 - 1977)
Kyoto, JP (2003)
Maizuru, JP (2001 - 2007)

Company Filing History:

10 out of 27,375

Matsushita Electric Industrial Co., Ltd.

Matsushita Electrical Industrial Co., Ltd.

Years Active: 1976-2007

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11 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 7274354 - Portable electronic apparatus (2007-09-25),

2. 7158119 - Track ball device and electronic apparatus using the same (2007-01-02),

3. 6909422 - Track ball device and electronic apparatus using the same (2005-06-21),

4. 6661391 - Antenna and radio device comprising the same (2003-12-09),

5. 6646211 - Switch (2003-11-11),

6. 6634090 - Method of production of series of a tactile contact units and tactile contact unit, and series of tactile contact units and a tactile contact unit produced by using the same method (2003-10-21),

7. 6504269 - Input device and electronic appliance using the same (2003-01-07),

8. 6245397 - Marking method and marked molding (2001-06-12),

9. 4013845 - Temperature compensating reproducing system (1977-03-22),

10. 3936619 - Four-channel stereophonic reproducing system for reproducing discrete (1976-02-03),

11. 3931482 - Four-channel stereophonic reproducing system for reproducing discrete (1976-01-06),

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