LexDanaLexDanabeta
Inventor

Katsuei Ichikawa

Inventor
Tokyo, JP

Overview

3→
Patents
1996–2021
Patent span
Electricity
Primary field (CPC H)

Patents· 3 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

H02Jprimary
H02JElectric power networks22%
B60LPropulsion of electrically-propelled vehicles11%
G03GElectrography11%
H01FMagnets11%
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 systems11%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications11%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests11%
Y10TTechnical subjects covered by former us classification11%
PatentTitleYear
10,971,952Wireless power transfer device202110,971,953Contactless power receiving device, contactless power transfer device, and contactless power transfer and receiving device20215,585,901'Developing machine and carrier containing a charge-imparting agent'1996

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1996Patents assigned to FUJI XEROX CO LTD (1)· patent assignee history
1996Based in Suzuka, JP· patent location history
2021Patents assigned to MAXELL LTD (2)· patent assignee history
2021Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MAXELL LTD22021
FUJI XEROX CO LTD11996
Locations
LocationPatentsSpan
Tokyo, JP22021
Suzuka, JP11996