Inventor

Ichiro Yokota

Inventor

Yokohama, JP

Overview

3→

Patents

1990–2003

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.

H04Bprimary

H04BTransmission40%

B29CShaping or joining of plastics20%

B65DContainers for storage or transport of articles or materials, e.g. bags, barrels, bottles, boxes, cans, cartons, crates, drums, jars, tanks, hoppers, forwarding containers20%

H04JMultiplex communication20%

PatentTitleYear

6,532,103'Optical fiber amplifier and optical transmission system using the same'2003 6,433,925'Optical fiber amplifier and optical transmission system using the same'2002 4,907,709'Combination of synthetic resin bottle and closure therefor'1990

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1990Patents assigned to DAINIPPON INK & CHEMICALS (1)· patent assignee history

1990Based in Ageo, JP· patent location history

2002–2003Patents assigned to HITACHI LTD (2)· patent assignee history

2002–2003Based in Yokohama, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
HITACHI LTD	2	2002–2003
DAINIPPON INK & CHEMICALS	1	1990

Locations

Location	Patents	Span
Yokohama, JP	2	2002–2003
Ageo, JP	1	1990