Inventor

Yoichi Ichikawa

Inventor
Kanagawa, JP

Overview

7→
Patents
1978–2020
Patent span
Physics
Primary field (CPC G)

Patents· 7 as inventor

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

G01Sprimary
G01SRadio direction-finding27%
H05BElectric heating13%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications13%
B60KArrangement or mounting of propulsion units or of transmissions in vehicles7%
B60QArrangement of signalling or lighting devices, the mounting or supporting thereof or circuits therefor, for vehicles in general7%
G02BOptical elements, systems or apparatus7%
G06TImage data processing or generation, in general7%
G09GArrangements or circuits for control of indicating devices using static means to present variable information7%
G10LSpeech analysis techniques or speech synthesis7%
H04NPictorial communication, e.g. television7%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1978Patents assigned to FUJI XEROX CO LTD (1)· patent assignee history
1978Based in Ebina, JP· patent location history
2019–2020Patents assigned to RICOH CO LTD (5)· patent assignee history
2019Patents assigned to HIRAGUCHI HIROKI (1)· patent assignee history
2019Patents assigned to ICHIKAWA YOICHI (1)· patent assignee history
2019Patents assigned to KISHI YUMIKO (1)· patent assignee history
2019–2020Based in Kanagawa, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
RICOH CO LTD52019–2020
FUJI XEROX CO LTD11978
HIRAGUCHI HIROKI12019
ICHIKAWA YOICHIself12019
KISHI YUMIKO12019
Locations
LocationPatentsSpan
Kanagawa, JP62019–2020
Ebina, JP11978