Inventor
Yasuaki Ishii
Inventor
Ichikawa, JP
Overview
Patents· 4 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B32Bprimary
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form10%
B42CBookbinding10%
B44CProducing decorative effects10%
B65HHandling thin or filamentary material, e.g. sheets, webs, cables10%
G03GElectrography10%
H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy10%
H02JElectric power networks10%
H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems10%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution10%
Y10TTechnical subjects covered by former us classification10%
Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1982Patents assigned to DAINIPPON PRINTING CO LTD (1)· patent assignee history
1982Based in Matsudo, JP· patent location history
1986–1992Patents assigned to RICOH KK (2)· patent assignee history
1986–1992Based in Ichikawa, JP· patent location history
2021Patents assigned to PANASONIC IP MAN CO LTD (1)· patent assignee history
2021Based in Osaka-shi, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| RICOH KK | 2 | 1986–1992 |
| DAINIPPON PRINTING CO LTD | 1 | 1982 |
| PANASONIC IP MAN CO LTD | 1 | 2021 |
Locations
| Location | Patents | Span |
|---|---|---|
| Ichikawa, JP | 2 | 1986–1992 |
| Osaka-shi, JP | 1 | 2021 |
| Matsudo, JP | 1 | 1982 |