LexDanaLexDanabeta
Inventor

Shin'ichi Nakatsuka

Inventor
Hino, JP

Overview

8→
Patents
1988–2010
Patent span
Electricity
Primary field (CPC H)

Patents· 8 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 light57%
B82YSpecific uses or applications of nanostructures29%
B41JTypewriters7%
G02BOptical elements, systems or apparatus7%
PatentTitleYear
7,738,521'Semiconductor laser device'20106,055,256'Laser beam printer and semiconductor laser device suitable for a light source thereof'20005,809,053'Semiconductor laser device and optical printing apparatus using the same'19985,524,013'Beam scannable laser diode'19965,396,511'Semiconductor laser apparatus with curved waveguide'19954,827,483'Semiconductor laser device and method of fabricating the same'19894,811,354'Semiconductor laser'19894,780,879'Semiconductor laser device having little astigmatism'1988

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1988–2000Patents assigned to HITACHI LTD (7)· patent assignee history
1988–1989Based in Kokubunji, JP· patent location history
1995–2010Based in Hino, JP· patent location history
1996–1998Patents assigned to HITACHI KOKI KK (2)· patent assignee history
2010Patents assigned to OPNEXT JAPAN INC (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI LTD71988–2000
HITACHI KOKI KK21996–1998
OPNEXT JAPAN INC12010
Locations
LocationPatentsSpan
Hino, JP51995–2010
Kokubunji, JP31988–1989