Inventor
Toshinari Murai
Inventor
Gunma, JP
Overview
Patents· 5 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C30Bprimary
C30BSingle-crystal growth22%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests22%
B24BMachines, devices, or processes for grinding or polishing11%
F16CShafts11%
G01NInvestigating or analysing materials by determining their chemical or physical properties11%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h1011%
Y10TTechnical subjects covered by former us classification11%
PatentTitleYear
RE048586Roller bearing20217,588,481'Wafer polishing method and polished wafer'20096,159,283'Apparatus and method for measuring mechanical strength of neck portion of seed crystal and method for producing silicon single crystal'20005,779,790'Method of manufacturing a silicon monocrystal'19985,501,172'Method of growing silicon single crystals'1996Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1996–2000Patents assigned to SHINETSU HANDOTAI KK (3)· patent assignee history
1996–2000Based in Gunma, JP· patent location history
1998Based in Annaka, JP· patent location history
2009Patents assigned to SHINETSU CHEMICAL CO (1)· patent assignee history
2009Based in Joetsu-shi, JP· patent location history
2021Patents assigned to NSK LTD (1)· patent assignee history
2021Based in Kanagawa, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SHINETSU HANDOTAI KK | 3 | 1996–2000 |
| NSK LTD | 1 | 2021 |
| SHINETSU CHEMICAL CO | 1 | 2009 |
Locations
| Location | Patents | Span |
|---|---|---|
| Gunma, JP | 2 | 1996–2000 |
| Kanagawa, JP | 1 | 2021 |
| Joetsu-shi, JP | 1 | 2009 |
| Annaka, JP | 1 | 1998 |