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For the Inventor, By the Inventor

Otsu, Japan

Yoshikazu Shirasaki

USPTO Granted Patents = 5

Average Co-Inventor Count = 1.9

ph-index = 5

Forward Citations = 94(Granted Patents)


Location History:

  • Ohtsu, JP (1989)
  • Shiga, JP (1990)
  • Otsu, JP (1991)
  • Nishinomiya, JP (1991)

Company Filing History:

goldMedal5 out of 789 
 
Toyo Boseki Kabushiki Kaisha
 patents
silverMedal1 out of 1 
 
Shoei Kakou Kabushiki Kaisha
 patent
bronzeMedal1 out of 301 
 
Kabushikikaisha Kenwood
 patents
where one patent can have more than one assignee

Years Active: 1989-1991

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5 patents (USPTO):Explore Patents
1. 5075904 - Helmet with reinforcement (1991-12-31),
2. 5031720 - Speaker diaphragm (1991-07-16),
3. 4983433 - Fiber reinforced plastic and its reinforcement (1991-01-08),
4. 4929503 - Composite fibrous material (1990-05-29),
5. 4840826 - Fiber reinforced plastic solid or hollow molded article (1989-06-20),
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