Inventor
Masaharu Kittaka
Inventor
Takarazuka, JP
Overview
Patents· 5 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C07Cprimary
C07CAcyclic or carbocyclic compounds43%
C09BOrganic dyes or closely-related compounds for producing dyes, e.g. pigments29%
C07BGeneral methods of organic chemistry14%
D06PDyeing or printing textiles14%
PatentTitleYear
7,304,182'Crystalline parahydroxybenzoic acid anhydride and process for preparing the same'20076,673,962'Granule of parahydroxybenzoic acid or parahydroxybenzoic ester and process for producing the same'20046,562,998'Granules of 2-hydroxynaphthalene-3-carboxylic acid and method for preparing the same'20036,239,263'Water-soluble azo compounds and process for the preparation thereof'20016,020,470'Water-soluble azo compounds and process for producing the same'2000Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2000–2007Patents assigned to UENO SEIYAKU OYO KENKYUJO KK (4)· patent assignee history
2000–2001Based in Nishinomiya, JP· patent location history
2003Patents assigned to UENO SEIYAKO OYO KENKYUJO KK (1)· patent assignee history
2003–2007Based in Takarazuka, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| UENO SEIYAKU OYO KENKYUJO KK | 4 | 2000–2007 |
| UENO SEIYAKO OYO KENKYUJO KK | 1 | 2003 |
Locations
| Location | Patents | Span |
|---|---|---|
| Takarazuka, JP | 3 | 2003–2007 |
| Nishinomiya, JP | 2 | 2000–2001 |