Inventor
Toyokazu Yagii
Inventor
Hiroshima, 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 compounds60%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds40%
PatentTitleYear
5,914,428'Process for preparation of isocyanate compounds'19995,789,614'Process for preparation of aliphatic diisocyanate compounds'19985,773,643'Process for preparation of isocyanate compounds'19985,138,015'Process for producing polyurethane'19924,565,859'Polyether compounds, epoxy resins, epoxy resin compositions, and processes for production thereof'1986Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1986–1999Patents assigned to DAICEL CHEM (5)· patent assignee history
1986–1999Based in Hiroshima, JP· patent location history
1998Based in Otake, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| DAICEL CHEM | 5 | 1986–1999 |
Locations
| Location | Patents | Span |
|---|---|---|
| Hiroshima, JP | 4 | 1986–1999 |
| Otake, JP | 1 | 1998 |