logo

For the Inventor, By the Inventor

Kumagaya, Japan

Yasufumi Yamagishi

USPTO Granted Patents = 3 

Average Co-Inventor Count = 1.3

ph-index = 1

Forward Citations = 3(Granted Patents)


Location History:

  • Oosato, JP (1987)
  • Saitama, JP (2009)
  • Kumagaya, JP (2013)

Company Filing History:

goldMedal3 out of 8,780 
 
Sanyo Electric Co., Ltd.
 patents
silverMedal1 out of 70 
 
Sanyo Optec Design Co., Ltd.
 patents
where one patent can have more than one assignee

Years Active: 1987-2013

Loading Chart...
3 patents (USPTO):Explore Patents
1. 8531934 - Optical pickup device and optical pickup supporting device including partially overlapping mirrors (2013-09-10),
2. 7610592 - Pickup apparatus and disk apparatus including the pickup apparatus (2009-10-27),
3. 4651256 - Escutcheon and mask mounting structure for a cathode ray tube (1987-03-17),
This text is generated by artificial intelligence and may not be accurate.
Please report any incorrect information to support@idiyas.com
Loading…