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For the Inventor, By the Inventor

Nishinomiya, Japan

Tsuneo Tanaka

This inventor holds 9 USPTO granted patents. Top assignee: Matsushita Electric Industrial Co., Ltd.. Active years: 1978-1996.

USPTO Granted Patents = 9

% Patents Active = 100.0

Average Co-Inventor Count = 5.0

ph-index = 7

Forward Citations = 246(Granted Patents)


Location History:

  • Nishinomiya, JA (1978)
  • Amagasaki, JP (1989)
  • Nishinomiya, JP (1979 - 1991)
  • Kobe, JP (1996)

Company Filing History:

goldMedal9 out of 27,375 
 
Matsushita Electric Industrial Co., Ltd.
 patents

Years Active: 1978-1996

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9 patents (USPTO):Explore Patents
1. 5493647 - Digital signal recording apparatus and a digital signal reproducing (1996-02-20),
2. 5073946 - Thin speaker having an enclosure with an open portion and a closed (1991-12-17),
3. 5025474 - Speaker system with image projection screen (1991-06-18),
4. 4823908 - Directional loudspeaker system (1989-04-25),
5. 4803242 - Diaphragm for loudspeakers (1989-02-07),
6. 4426556 - Electrodynamic loudspeaker (1984-01-17),
7. 4329699 - Semiconductor device and method of manufacturing the same (1982-05-11),
8. 4171234 - Method of fabricating three-dimensional epitaxial layers utilizing (1979-10-16),
9. 4071383 - Process for fabrication of dielectric optical waveguide devices (1978-01-31),

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Profile summary based on public USPTO records.
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