Inventor

Yasuaki Ishii

Inventor
Ichikawa, JP

Overview

4→
Patents
1982–2021
Patent span
Performing operations
Primary field (CPC B)

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
AssigneePatentsSpan
RICOH KK21986–1992
DAINIPPON PRINTING CO LTD11982
PANASONIC IP MAN CO LTD12021
Locations
LocationPatentsSpan
Ichikawa, JP21986–1992
Osaka-shi, JP12021
Matsudo, JP11982