Inventor

Takehiko Sakurai

Inventor

Kanagawa, JP

Overview

9→

Patents

1991–2012

Patent span

Electricity

Primary field (CPC H)

Patents· 9 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

H01Jprimary

H01JElectric discharge tubes or discharge lamps32%

G03GElectrography16%

H05BElectric heating16%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests16%

F21SNon-portable lighting devices4%

F21VFunctional features or details of lighting devices or systems thereof4%

F21YIndexing scheme associated with subclasses f21k, f21l, f21s and f21v, relating to the form or the kind of the light sources or of the colour of the light emitted4%

G02BOptical elements, systems or apparatus4%

G09FDisplaying4%

PatentTitleYear

8,324,795'Fluorescent lamp and lighting instrument with unsaturated mercury vapor that achieves high brightness and high temperatures'2012 5,723,952'Rare gas discharge fluorescent lamp device'1998 5,514,934'Discharge lamp, image display device using the same and discharge lamp producing method'1996 5,444,335'Method and apparatus for controlling an image display having gas discharge lamps'1995 5,359,503'Surface luminous lighting unit'1994 5,173,642'Rare gas discharge fluorescent lamp device'1992 5,072,155'Rare gas discharge fluorescent lamp device'1991 5,034,661'Rare gas discharge fluorescent lamp device'1991 5,013,966'Discharge lamp with external electrodes'1991

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1991–1998Patents assigned to MITSUBISHI ELECTRIC CORP (8)· patent assignee history

1991–1998Based in Kanagawa, JP· patent location history

1995–1996Based in Kamakura, JP· patent location history

2012Patents assigned to IWASE KEIGO (1)· patent assignee history

2012Patents assigned to MATSUDA YUKIO (1)· patent assignee history

2012Patents assigned to OSAWA TAKASHI (1)· patent assignee history

2012Patents assigned to OSRAM AG (1)· patent assignee history

2012Based in Yokohama, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
MITSUBISHI ELECTRIC CORP	8	1991–1998
IWASE KEIGO	1	2012
MATSUDA YUKIO	1	2012
OSAWA TAKASHI	1	2012
OSRAM AG	1	2012

Locations

Location	Patents	Span
Kanagawa, JP	6	1991–1998
Kamakura, JP	2	1995–1996
Yokohama, JP	1	2012