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Keiichi Totsuka

USPTO Granted Patents = 10

Average Co-Inventor Count = 2.2

ph-index = 7

Forward Citations = 418(Granted Patents)

Location History:

Hiratsuka, JP (1990)
Kawasaki, JP (1991 - 1992)
Tokyo, JP (1993 - 2012)

Company Filing History:

10 out of 58,129

Sony Corporation

Years Active: 1990-2012

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10 patents (USPTO):Sort by Forward Citations

Abstract keywords

1. 8102333 - Display device securing mechanism and display system that rotates display devices around a rotational axis (2012-01-24),

2. 8074242 - System and method for information supply and apparatuses therefor (2011-12-06),

3. 7225457 - Information supply apparatus, information utilization apparatus, information manipulation apparatus, information supply system, information supply method, information utilization method and recording medium (2007-05-29),

4. 7202773 - Authentication information communication system and method, portable information processing device and program furnishing medium (2007-04-10),

5. 7181024 - Portable audio listening apparatus (2007-02-20),

6. D342947 - Radio tuner (1994-01-04),

7. D342520 - Combined radio tuner and clock (1993-12-21),

8. D327269 - Radio receiver (1992-06-23),

9. D321513 - Combined tape player and radio tuner (1991-11-12),

10. D308202 - Television receiver (1990-05-29),

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