Inventor
Naoki Nagai
Inventor
Annaka, JP
Overview
Patents· 9 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C30Bprimary
C30BSingle-crystal growth50%
Y10TTechnical subjects covered by former us classification31%
C01BNon-metallic elements6%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h106%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests6%
PatentTitleYear
9,193,597'Method for purifying chlorosilanes'20157,909,930'Method for producing a silicon single crystal and a silicon single crystal'20115,902,395'Method for feeding granular silicon material, feed pipe used in the method, and method of manufacturing a silicon monocrystal'19995,900,055'Method of manufacturing silicon monocrystal by continuously charged Czochralski method'19995,876,496'Method for feeding a granular raw material and feeding apparatus'19995,868,835'Apparatus for recharging of silicon granules in a czochralski single crystal growing operation'19995,779,790'Method of manufacturing a silicon monocrystal'19985,733,368'Method of manufacturing silicon monocrystal using continuous czochralski method'19985,690,733'Method for recharging of silicon granules in a Czochralski single crystal growing operation'1997Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1997–2011Patents assigned to SHINETSU HANDOTAI KK (8)· patent assignee history
1997–1999Based in Gunma, JP· patent location history
1998–1999Based in Annaka, JP· patent location history
2011Based in Fukushima, JP· patent location history
2015Patents assigned to KUBOTA TOHRU (1)· patent assignee history
2015Patents assigned to NAGAI NAOKI (1)· patent assignee history
2015Patents assigned to SHIMIZU TAKAAKI (1)· patent assignee history
2015Patents assigned to SHINETSU CHEMICAL CO (1)· patent assignee history
2015Based in Niigata, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SHINETSU HANDOTAI KK | 8 | 1997–2011 |
| KUBOTA TOHRU | 1 | 2015 |
| NAGAI NAOKIself | 1 | 2015 |
| SHIMIZU TAKAAKI | 1 | 2015 |
| SHINETSU CHEMICAL CO | 1 | 2015 |
Locations
| Location | Patents | Span |
|---|---|---|
| Annaka, JP | 5 | 1998–1999 |
| Gunma, JP | 2 | 1997–1999 |
| Niigata, JP | 1 | 2015 |
| Fukushima, JP | 1 | 2011 |