Inventor
Masafumi Minami
Inventor
Tokyo, JP
Overview
Patents· 13 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G06Fprimary
G06FElectric digital data processing19%
H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light15%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests15%
G01CMeasuring distances, levels or bearings11%
G09BEducational or demonstration appliances11%
G11BInformation storage based on relative movement between record carrier and transducer11%
H04NPictorial communication, e.g. television7%
E03BInstallations or methods for obtaining, collecting, or distributing water4%
F16LPipes4%
Y10TTechnical subjects covered by former us classification4%
PatentTitleYear
10,069,281Laser diode and method of manufacturing laser diode20189,923,336'Laser diode and method of manufacturing laser diode'20189,711,936'Semiconductor laser and method for manufacturing the same'20179,455,550'Distributed feedback laser diode'20167,075,558'Digital map display zooming method, digital map display zooming device, and storage medium for storing digital map display zooming program'20067,010,124'Location dependent key for decrypting copy protected material on a recording medium'20066,851,728'Pipe-coupling device'20056,424,355'Digital map display zooming method, digital map display zooming device, and storage medium for storing digital map display zooming program'20026,411,274'Digital map display zooming method, digital map display zooming device, and storage medium for storing digital map display zooming program'20026,285,347'Digital map display scrolling method, digital map display scrolling device, and storage device for storing digital map display scrolling program'20016,122,646'Method and apparatus for management of information where sub directory information in a directory identifies the relative recording location of the sub directory'20005,917,910'Encrypting method and apparatus, recording method, decrypting method and apparatus, and recording medium'19994,967,780'Anti-freezing device'1990Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1990Patents assigned to MIC CO LTD (1)· patent assignee history
1990Based in Sakai, JP· patent location history
1999–2006Patents assigned to SONY CORP (7)· patent assignee history
1999–2018Based in Tokyo, JP· patent location history
2005Patents assigned to HAKKO METAL IND (1)· patent assignee history
2005Patents assigned to MINAMI MASAFUMI (1)· patent assignee history
2005Based in Osaka-shi, JP· patent location history
2016–2018Patents assigned to MITSUBISHI ELECTRIC CORP (4)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SONY CORP | 7 | 1999–2006 |
| MITSUBISHI ELECTRIC CORP | 4 | 2016–2018 |
| HAKKO METAL IND | 1 | 2005 |
| MIC CO LTD | 1 | 1990 |
| MINAMI MASAFUMIself | 1 | 2005 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 11 | 1999–2018 |
| Osaka-shi, JP | 1 | 2005 |
| Sakai, JP | 1 | 1990 |