IDiyas

For the Inventor, By the Inventor

Hamamatsu, Japan

Akira Usui

USPTO Granted Patents = 17

 

Average Co-Inventor Count = 2.2

ph-index = 8

Forward Citations = 121(Granted Patents)


Company Filing History:

goldMedal15 out of 5,450 
 
Yamaha Corporation
 patents
silverMedal2 out of 841 
 
Nippon Gakki Seizo Kabushiki Kaisha
 patents

Years Active: 1987-2013

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17 patents (USPTO):
1. 8345883 - Audio playback method and apparatus using line array speaker unit (2013-01-01),
2. 7656779 - Method for forming visible images on optical recording medium (2010-02-02),
3. 7580530 - Audio characteristic correction system (2009-08-25),
4. 7535809 - Optical recording apparatus with drawing capability of visible image on disk face (2009-05-19),
5. 7496023 - Method, program and system of forming visual image on optical disk (2009-02-24),
6. 7339863 - Method of recording information on optical disks at a recording density proportional to the actual information volume and disk nominal capacity (2008-03-04),
7. 7082094 - Optical recording apparatus with drawing capability of visible image on disk face (2006-07-25),
8. 7046597 - Optical disk apparatus for recording information at a recording density proportional to the actual information volume and disk nominal capacity (2006-05-16),
9. 7012864 - Optical disk recorder for writing data with variable density (2006-03-14),
10. 6980495 - Optical recording apparatus with interleaving blank rounds into spiral track (2005-12-27),
11. 5598447 - Integrated circuit device having internal fast clock source (1997-01-28),
12. 5553042 - Optical disk recording device (1996-09-03),
13. 5526333 - Optical disk recording device (1996-06-11),
14. 5101369 - Digital filter capable of sample rate alteration (1992-03-31),
15. 4866648 - Digital filter (1989-09-12),
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