Inventor

Yoshikazu Itoh

Inventor
Tokyo, JP

Overview

18→
Patents
1982–2020
Patent span
Electricity
Primary field (CPC H)

Patents· 18 as inventor

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

H04Nprimary
H04NPictorial communication, e.g. television19%
H04HBroadcast communication16%
A01NPreservation of bodies of humans or animals or plants or parts thereof8%
B60NSeats specially adapted for vehicles8%
G11BInformation storage based on relative movement between record carrier and transducer8%
C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium5%
G06TImage data processing or generation, in general5%
H04LTransmission of digital information, e.g. telegraphic communication5%
B41JTypewriters3%
B60RVehicles, vehicle fittings, or vehicle parts, not otherwise provided for3%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1986–1992Patents assigned to VIDEO RES (5)· patent assignee history
1986Based in Kunitachi, JP· patent location history
1988–1999Based in Tokyo, JP· patent location history
1990–1995Patents assigned to SUMITOMO CHEMICAL CO (3)· patent assignee history
1990–1992Patents assigned to IKEGAMI TSUSHINKI KK (2)· patent assignee history
1992–1994Patents assigned to TACHI S CO (3)· patent assignee history
1992–1994Based in Akishima, JP· patent location history
1998Based in Yokohama, JP· patent location history
2020Patents assigned to RICOH CO LTD (2)· patent assignee history
2020Based in Kanagawa, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
VIDEO RES51986–1992
SUMITOMO CHEMICAL CO31990–1995
TACHI S CO31992–1994
IKEGAMI TSUSHINKI KK21990–1992
RICOH CO LTD22020
Locations
LocationPatentsSpan
Tokyo, JP41988–1999
Akishima, JP31992–1994
Kanagawa, JP22020
Yokohama, JP21998
Kunitachi, JP21986