Inventor

Hiroyuki Yatsu

Inventor
Tokyo, JP

Overview

11→
Patents
1991–2010
Patent span
Electricity
Primary field (CPC H)

Patents· 11 as inventor

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

G02Bprimary
G02BOptical elements, systems or apparatus16%
H04MTelephonic communication16%
H02GInstallation of electric cables or lines, or of combined optical and electric cables or lines11%
H04WWireless communication networks11%
A63FCard, board, or roulette games5%
G06QInformation and communication technology [ict] specially adapted for administrative, commercial, financial, managerial or supervisory purposes5%
G07FCoin-freed or like apparatus5%
H04BTransmission5%
H04LTransmission of digital information, e.g. telegraphic communication5%
H05KPrinted circuits5%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1991–2000Patents assigned to FURUKAWA ELECTRIC CO LTD (3)· patent assignee history
1991Based in Ichihara, JP· patent location history
1993–2010Based in Tokyo, JP· patent location history
1997–2010Patents assigned to CANON KK (6)· patent assignee history
1997Patents assigned to ACE DENKEN KK (1)· patent assignee history
2007Patents assigned to ALPS ELECTRIC CO LTD (1)· patent assignee history
2007Based in Fukushima, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CANON KK61997–2010
FURUKAWA ELECTRIC CO LTD31991–2000
ACE DENKEN KK11997
ALPS ELECTRIC CO LTD12007
Locations
LocationPatentsSpan
Tokyo, JP91993–2010
Fukushima, JP12007
Ichihara, JP11991