Inventor
Tadayoshi Ishikawa
Inventor
Kyoto, JP
Overview
Patents· 4 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C08Fprimary
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds13%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds13%
C08JWorking-up13%
D21HPulp compositions13%
G06FElectric digital data processing13%
G11BInformation storage based on relative movement between record carrier and transducer13%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests13%
Y10TTechnical subjects covered by former us classification13%
Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1982Patents assigned to DOW CHEMICAL CO (1)· patent assignee history
1982Based in Ayase, JP· patent location history
1989Patents assigned to ASAHI CHEMICAL IND (1)· patent assignee history
1989Based in Fuji, JP· patent location history
2003Patents assigned to MATSUSHITA ELECTRIC INDUSTRIAL CO LTD (1)· patent assignee history
2003Based in Ehime, JP· patent location history
2014Patents assigned to ISHIKAWA TADAYOSHI (1)· patent assignee history
2014Patents assigned to PANASONIC CORP (1)· patent assignee history
2014Based in Kyoto, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| ASAHI CHEMICAL IND | 1 | 1989 |
| DOW CHEMICAL CO | 1 | 1982 |
| ISHIKAWA TADAYOSHIself | 1 | 2014 |
| MATSUSHITA ELECTRIC INDUSTRIAL CO LTD | 1 | 2003 |
| PANASONIC CORP | 1 | 2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kyoto, JP | 1 | 2014 |
| Ehime, JP | 1 | 2003 |
| Fuji, JP | 1 | 1989 |
| Ayase, JP | 1 | 1982 |