Inventor
Tatsuo Hatta
Inventor
Tokyo, JP
Overview
Patents· 16 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G02Bprimary
G02BOptical elements, systems or apparatus41%
H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light14%
B82YSpecific uses or applications of nanostructures9%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein9%
B25JManipulators5%
G05BControl or regulating systems in general5%
H03FAmplifiers5%
H03HImpedance networks, e.g. resonant circuits5%
H04BTransmission5%
H04JMultiplex communication5%
PatentTitleYear
11,052,537Robot operation evaluation device, robot operation evaluating method, and robot system20219,563,065'Optical module and method of manufacturing the same'20179,335,495'Optical module'20169,172,335'Optical receiver module'20157,936,495'Optical modulation device'20117,158,695'Optical delay circuit, integrated optical device, and method of manufacturing integrated optical device'20077,082,233'Optical switch and method of manufacturing the same'20067,010,179'Differential drive semiconductor optical modulator'20066,873,754'Optical switch and method of manufacturing the same'20056,865,197'Laser diode module'20056,819,688'Semiconductor laser device and optical fiber amplifier'20046,563,983'Laser diode module'20036,556,597'Laser diode module'20036,519,381'Optical switch and method of producing the same'20036,507,683'Free-space optical switch'20036,010,251'Laser diode modules converging parts, and optical coupling methods'2000Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2000–2021Patents assigned to MITSUBISHI ELECTRIC CORP (15)· patent assignee history
2000–2021Based in Tokyo, JP· patent location history
2003–2006Based in Hyogo, JP· patent location history
2007Patents assigned to UNIV KYOTO (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MITSUBISHI ELECTRIC CORP | 15 | 2000–2021 |
| UNIV KYOTO | 1 | 2007 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 10 | 2000–2021 |
| Hyogo, JP | 6 | 2003–2006 |