Inventor
Kenichi Iga
Inventor
Machida, JP
Overview
Patents· 13 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 light35%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests23%
B82YSpecific uses or applications of nanostructures8%
G02BOptical elements, systems or apparatus8%
H10DInorganic electric semiconductor devices8%
H10HInorganic light-emitting semiconductor devices having potential barriers8%
G01BMeasuring length, thickness or similar linear dimensions4%
G01CMeasuring distances, levels or bearings4%
G11BInformation storage based on relative movement between record carrier and transducer4%
PatentTitleYear
6,764,229'Method and apparatus for optical fiber splicing'20046,449,300'Surface-emitting laser'20025,932,890'Field effect transistor loaded with multiquantum barrier'19995,789,760'Multiquantum barrier Schottky junction device'19985,764,828'Optical apparatus for controlling angle of divergence of ring beam'19985,383,213'Semiconductor device with current confinement structure'19955,362,974'Group II-VI material semiconductor optical device with strained multiquantum barriers'19945,289,486'Semiconductor luminous element and superlattice structure'19945,241,554'Laser diode of variable beam divergence and information processor using the same'19935,236,864'Method of manufacturing a surface-emitting type semiconductor laser device'19935,091,756'Superlattice structure'19925,020,066'Surface-emitting-type semiconductor laser device'19914,340,966'Semiconductor laser with buffer layer'1982Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1982–2004Based in Machida, JP· patent location history
1991–2002Patents assigned to TOKYO INST TECH (4)· patent assignee history
1991–1993Patents assigned to SANYO ELECTRIC CO (2)· patent assignee history
1991Patents assigned to DEV CORP OF JAPAN (1)· patent assignee history
1992–1999Based in Tokyo, JP· patent location history
1993Patents assigned to HITACHI LTD (1)· patent assignee history
1994–1999Patents assigned to FURUKAWA ELECTRIC CO LTD (4)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| FURUKAWA ELECTRIC CO LTD | 4 | 1994–1999 |
| TOKYO INST TECH | 4 | 1991–2002 |
| SANYO ELECTRIC CO | 2 | 1991–1993 |
| DEV CORP OF JAPAN | 1 | 1991 |
| HITACHI LTD | 1 | 1993 |
Locations
| Location | Patents | Span |
|---|---|---|
| Machida, JP | 8 | 1982–2004 |
| Tokyo, JP | 5 | 1992–1999 |