Inventor
Toshiharu Hiraoka
Inventor
Kagawa, JP
Overview
Patents· 9 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C04Bprimary
C04BLime, magnesia15%
Y10TTechnical subjects covered by former us classification15%
C30BSingle-crystal growth12%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests12%
C08HDerivatives of natural macromolecular compounds8%
D21CProduction of cellulose by removing non-cellulose substances from cellulose-containing materials8%
C03BManufacture, shaping, or supplementary processes4%
C21DModifying the physical structure of ferrous metals4%
D01FChemical features in the manufacture of artificial filaments, threads, fibres, bristles or ribbons4%
D03DWoven fabrics4%
PatentTitleYear
10,718,569Heat treat furnace jig20209,343,188'Control rod for high temperature gas reactor'20167,198,247'Mandrel for producing quartz glass and production method for optical fiber mother material, optical fiber and quartz glass body using the same'20076,489,027'High purity carbon fiber reinforced carbon composites and manufacturing apparatus for use thereof'20026,455,160'High purity C/C composite and manufacturing method thereof'20026,432,538'Carbon fiber reinforced carbon composite and useful as components for pulling single crystal apparatus'20026,136,094'Crucible for crystal pulling and method of manufacturing same'20005,591,832'Benzylated lignocellulosic substance and a producing method thereof'19975,548,069'Benzylated lignocellulosic substance and a producing method thereof'1996Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1996–1997Patents assigned to JAPAN CHEMICAL ENGINEERING & M (2)· patent assignee history
1996–1997Based in Osaka, JP· patent location history
2000–2020Patents assigned to TOYO TANSO CO (7)· patent assignee history
2000–2002Based in Kagawa, JP· patent location history
2007–2020Based in Mitoyo-gun, JP· patent location history
2016Patents assigned to HIRAOKA TOSHIHARU (1)· patent assignee history
2016Patents assigned to KONISHI TAKASHI (1)· patent assignee history
2016Patents assigned to MACHINO HIROSHI (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| TOYO TANSO CO | 7 | 2000–2020 |
| JAPAN CHEMICAL ENGINEERING & M | 2 | 1996–1997 |
| HIRAOKA TOSHIHARUself | 1 | 2016 |
| KONISHI TAKASHI | 1 | 2016 |
| MACHINO HIROSHI | 1 | 2016 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kagawa, JP | 4 | 2000–2002 |
| Mitoyo-gun, JP | 3 | 2007–2020 |
| Osaka, JP | 2 | 1996–1997 |