Inventor
Hiroshi Umezawa
Inventor
Joetsu-shi, JP
Overview
Patents· 15 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C08Bprimary
C08BPolysaccharides52%
A61KPreparations for medical, dental or toiletry purposes26%
Y10TTechnical subjects covered by former us classification9%
C07DHeterocyclic compounds4%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds4%
C08LCompositions of macromolecular compounds4%
PatentTitleYear
9,617,350'Methods for preparing alkali cellulose and cellulose ether'20179,611,333'Methods for preparing alkali cellulose and cellulose ether'20179,534,061'Methods for preparing alkali cellulose and cellulose ether'20179,068,021'Low-substituted hydroxypropylcellulose powder'20158,865,889'Methods for preparing alkali cellulose and cellulose ether'20148,853,388'Methods for preparing alkali cellulose and cellulose ether'20148,519,120'Methods for producing a low-substituted hydroxypropylcellulose powder'20138,343,548'Solid dosage form comprising solid dispersion'20138,343,547'Solid dosage form comprising solid dispersion'20138,017,766'Methods for preparing alkali cellulose and cellulose ether'20117,009,046'Low-substituted hydroxypropyl cellulose and agent serving both as binder and disintegrant for dry direct compression'20066,602,995'Method for the formation of low-substituted hydroxypropyl cellulose particles'20036,525,192'Low-substituted hydroxypropyl cellulose and process for producing same'20035,583,244'Siloxane-containing pullulan and method for the preparation thereof'19964,894,457'7-bromo-beta-carboline compound and method for producing same'1990Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1990Based in Kawagoe, JP· patent location history
1996–2017Patents assigned to SHINETSU CHEMICAL CO (13)· patent assignee history
1996–2006Based in Niigata, JP· patent location history
2011–2017Based in Joetsu-shi, JP· patent location history
2013–2017Patents assigned to UMEZAWA HIROSHI (8)· patent assignee history
2014–2017Patents assigned to NARITA MITSUO (5)· patent assignee history
2014–2017Patents assigned to TABATA MASAKI (5)· patent assignee history
2014–2017Patents assigned to YOSHIDA ATSUSHI (5)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SHINETSU CHEMICAL CO | 13 | 1996–2017 |
| UMEZAWA HIROSHIself | 8 | 2013–2017 |
| NARITA MITSUO | 5 | 2014–2017 |
| TABATA MASAKI | 5 | 2014–2017 |
| YOSHIDA ATSUSHI | 5 | 2014–2017 |
Locations
| Location | Patents | Span |
|---|---|---|
| Joetsu-shi, JP | 10 | 2011–2017 |
| Niigata, JP | 4 | 1996–2006 |
| Kawagoe, JP | 1 | 1990 |