Inventor
Shuuichi Hashimoto
Inventor
Osaka, JP
Overview
Patents· 2 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B41Mprimary
B41MPrinting, duplicating, marking, or copying processes33%
C07DHeterocyclic compounds33%
C09BOrganic dyes or closely-related compounds for producing dyes, e.g. pigments33%
PatentTitleYear
5,376,617'Crystal modification of 2-(3-methylanilion)-3-methyl-6-diethylamino-fluoran, process for the preparation thereof, and recording materials containing said crystal modification'19945,338,866'Crystal modification of 2-(3-methylanilino)-3-methyl-6-diethylaminofluoran, process for the preparation thereof, and recording materials containing said crystal modification'1994Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1994Patents assigned to YAMAMOTO CHEMICALS INC (2)· patent assignee history
1994Based in Osaka, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| YAMAMOTO CHEMICALS INC | 2 | 1994 |
Locations
| Location | Patents | Span |
|---|---|---|
| Osaka, JP | 2 | 1994 |