Inventor
Seiji Ashida
Inventor
Kanagawa, JP
Overview
Patents· 11 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H01Jprimary
H01JElectric discharge tubes or discharge lamps56%
H05BElectric heating13%
LOC2613%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications13%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests6%
PatentTitleYear
D0601724'High intensity discharge lamp'20097,245,081'High-intensity discharge lamp with particular metal halide gas filling and lighting device'20076,774,566'High pressure discharge lamp and luminaire'20046,713,961'High-intensity discharge lamp, system for lighting the lamp and lighting appliance using the lamp'20046,661,176'High pressure discharge lamp, high pressure discharge lamp lighting apparatus and luminaire therefor'2003D0464445'Lamp bulb'20026,448,712'High-pressure discharge lamp'20026,388,394'High-intensity discharge lamp lighting device and lighting system'20026,307,321'High-pressure discharge lamp and lighting apparatus'20016,249,086'High-pressure discharge lamp including a limited amount of carbon remaining on an electrode surface'20016,215,254'High-voltage discharge lamp, high-voltage discharge lamp device, and lighting device'2001Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2001–2004Patents assigned to TOSHIBA LIGHTING & TECHNOLOGY (9)· patent assignee history
2001–2002Based in Yokosuka, JP· patent location history
2002–2007Based in Kanagawa, JP· patent location history
2002Based in Yokohama, JP· patent location history
2007–2009Patents assigned to OSRAM MELCO TOSHIBA LIGHTING L (2)· patent assignee history
2009Based in Tokyo, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| TOSHIBA LIGHTING & TECHNOLOGY | 9 | 2001–2004 |
| OSRAM MELCO TOSHIBA LIGHTING L | 2 | 2007–2009 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kanagawa, JP | 5 | 2002–2007 |
| Yokosuka, JP | 4 | 2001–2002 |
| Tokyo, JP | 1 | 2009 |
| Yokohama, JP | 1 | 2002 |