IDiyas

For the Inventor, By the Inventor

Matsudo, Japan

Shigeki Yamazaki

USPTO Granted Patents = 8

Average Co-Inventor Count = 3.7

ph-index = 3

Forward Citations = 33(Granted Patents)


Location History:

  • Minamiashigara, JP (1999 - 2001)
  • Hitachinaka, JP (2001 - 2005)
  • Matsudo, JP (2011)

Company Filing History:

goldMedal7 out of 42,485 
 
Hitachi, Ltd.
 patents
silverMedal2 out of 388 
 
Hitachi-lg Data Storage, Inc.
 patents
bronzeMedal1 out of 228 
 
Hitachi Software Engineering Company, Ltd.
 patents
4. 1 out of 832,680 
Other
 patents
where one patent can have more than one assignee

Years Active: 1999-2011

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8 patents (USPTO):Explore Patents
1. 7965611 - Optical disk apparatus and starting method thereof (2011-06-21),
2. 7940612 - Optical disc apparatus and control method thereof (2011-05-10),
3. 6850470 - Optical disc apparatus and method thereof (2005-02-01),
4. 6438078 - Optical disc apparatus and method thereof (2002-08-20),
5. 6301210 - Optical disc apparatus and method thereof (2001-10-09),
6. 6246661 - Optical disk recording and retrieving device (2001-06-12),
7. 6125093 - Optical disk recording and retrieving device (2000-09-26),
8. 5974021 - Determination of optimal recording power in optical disk recording and (1999-10-26),
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