Inventor
Tomoyuki Kikugawa
Inventor
Atsugi, JP
Overview
Patents· 7 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H01Sprimary
H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light45%
B82YSpecific uses or applications of nanostructures18%
G01JMeasurement of intensity, velocity, spectral content, polarisation, phase or pulse characteristics of infrared, visible or ultraviolet light9%
G01NInvestigating or analysing materials by determining their chemical or physical properties9%
G02BOptical elements, systems or apparatus9%
H10HInorganic light-emitting semiconductor devices having potential barriers9%
PatentTitleYear
7,483,470'Semiconductor laser capable of coupling with single mode optical fiber at high coupling efficiency'20097,065,123'Distributed feedback semiconductor laser for outputting beam of single wavelength'20066,987,285'Semiconductor light emitting device in which high-power light output can be obtained with a simple structure including InGaAsP active layer not less than 3.5 microns and InGaAsP and InP cladding'20066,697,407'Semiconductor laser attaining high efficiency and high power, and method of manufacturing the same'20046,611,333'Isopotomer absorption spectral analyzer and its method'20036,351,479'Semiconductor laser having effective output increasing function'20024,758,086'Apparatus for measuring spectral power of a light beam'1988Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1988–2009Patents assigned to ANRITSU CORP (7)· patent assignee history
1988Based in Yokohama, JP· patent location history
2002–2009Based in Atsugi, JP· patent location history
2003Patents assigned to JAPAN SCIENCE & TECH CORP (1)· patent assignee history
2003Based in Tokyo, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| ANRITSU CORP | 7 | 1988–2009 |
| JAPAN SCIENCE & TECH CORP | 1 | 2003 |
Locations
| Location | Patents | Span |
|---|---|---|
| Atsugi, JP | 5 | 2002–2009 |
| Tokyo, JP | 1 | 2003 |
| Yokohama, JP | 1 | 1988 |