Inventor
Kazumasa Asai
Inventor
Nagano, JP
Overview
Patents· 6 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H01Lprimary
H01LSemiconductor devices25%
B24BMachines, devices, or processes for grinding or polishing21%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h1021%
B24DTools for grinding, buffing or sharpening8%
C09KMaterials for miscellaneous applications, not provided for elsewhere4%
F21KNon-electric light sources using luminescence4%
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%
H10HInorganic light-emitting semiconductor devices having potential barriers4%
PatentTitleYear
11,112,086Phosphor element and lighting device202110,730,161Method for conditioning polishing pad and polishing apparatus20209,987,721Double-side polishing method20189,862,072'Double-side polishing method'20189,108,289'Double-side polishing apparatus'20158,834,230'Wafer polishing method and double-side polishing apparatus'2014Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2014–2020Patents assigned to SHINETSU HANDOTAI KK (5)· patent assignee history
2014Patents assigned to ASAI KAZUMASA (1)· patent assignee history
2014Patents assigned to FURUKAWA DAISUKE (1)· patent assignee history
2014Patents assigned to KIDA TAKAHIRO (1)· patent assignee history
2014Based in Chikuma, JP· patent location history
2015–2020Based in Nagano, JP· patent location history
2021Patents assigned to NGK INSULATORS LTD (1)· patent assignee history
2021Based in Nagoya, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SHINETSU HANDOTAI KK | 5 | 2014–2020 |
| ASAI KAZUMASAself | 1 | 2014 |
| FURUKAWA DAISUKE | 1 | 2014 |
| KIDA TAKAHIRO | 1 | 2014 |
| NGK INSULATORS LTD | 1 | 2021 |
Locations
| Location | Patents | Span |
|---|---|---|
| Nagano, JP | 4 | 2015–2020 |
| Nagoya, JP | 1 | 2021 |
| Chikuma, JP | 1 | 2014 |