Inventor
Takayuki Togawa
Inventor
Takefu, JP
Overview
Patents· 4 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C03Bprimary
C03BManufacture, shaping, or supplementary processes25%
C30BSingle-crystal growth25%
Y10TTechnical subjects covered by former us classification19%
Y02PClimate change mitigation technologies in the production or processing of goods13%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests13%
C03CChemical composition of glasses, glazes or vitreous enamels6%
PatentTitleYear
7,686,887'Quartz glass crucible for pulling up silicon single crystal and method for producing the same'20107,299,658'Quartz glass crucible for the pulling up of silicon single crystal'20077,074,731'Method for producing hydrogen-doped silica powder, hydrogen-doped silica powder obtained from that method for use in a quartz glass crucible'20066,510,707'Methods for making silica crucibles'2003Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2003Patents assigned to HERAEUS SHIN ETSU AMERICA INC (1)· patent assignee history
2003–2010Based in Takefu, JP· patent location history
2006–2010Patents assigned to SHINETSU QUARTZ PROD (3)· patent assignee history
2007Patents assigned to HERAEUS QUARZGLAS GMBH & CO K (1)· patent assignee history
2007Based in Himeji, JP· patent location history
2010Patents assigned to HERAEUS QUARZGLAS (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SHINETSU QUARTZ PROD | 3 | 2006–2010 |
| HERAEUS QUARZGLAS | 1 | 2010 |
| HERAEUS QUARZGLAS GMBH & CO K | 1 | 2007 |
| HERAEUS SHIN ETSU AMERICA INC | 1 | 2003 |
Locations
| Location | Patents | Span |
|---|---|---|
| Takefu, JP | 3 | 2003–2010 |
| Himeji, JP | 1 | 2007 |