Inventor
Yasuhiko Ohta
Inventor
Nagoya, JP
Overview
Patents· 5 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B29Cprimary
B29CShaping or joining of plastics21%
B29KIndexing scheme associated with subclasses b29b, b29c or b29d, relating to moulding materials or to materials for moulds, reinforcements, fillers or preformed parts, e.g. inserts21%
C08JWorking-up16%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds11%
B22DCasting of metals5%
B29DProducing particular articles from plastics or from substances in a plastic state5%
C08LCompositions of macromolecular compounds5%
D01FChemical features in the manufacture of artificial filaments, threads, fibres, bristles or ribbons5%
H05KPrinted circuits5%
Y10TTechnical subjects covered by former us classification5%
PatentTitleYear
5,260,407'Polyimide film and preparation process of the film'19935,242,648'Method for preparing biaxially stretched polyether ether ketone film'19935,112,557'Process for preparing a polyimide molded form'19925,037,587'Preparation process of polyimide film'19914,852,635'Method of electromagnetic stirring in continuous metal casting process'1989Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1989Patents assigned to KOBE STEEL LTD (1)· patent assignee history
1989Based in Kobe, JP· patent location history
1991–1993Patents assigned to MITSUI TOATSU CHEMICALS (4)· patent assignee history
1991–1993Based in Nagoya, JP· patent location history
1992Based in Aichi, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MITSUI TOATSU CHEMICALS | 4 | 1991–1993 |
| KOBE STEEL LTD | 1 | 1989 |
Locations
| Location | Patents | Span |
|---|---|---|
| Nagoya, JP | 3 | 1991–1993 |
| Aichi, JP | 1 | 1992 |
| Kobe, JP | 1 | 1989 |