Inventor

Fumiaki Akahane

Inventor
Suwa, JP

Overview

10→
Patents
1992–2021
Patent span
Physics
Primary field (CPC G)

Patents· 10 as inventor

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

G02Bprimary
G02BOptical elements, systems or apparatus19%
F21SNon-portable lighting devices10%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein10%
B29CShaping or joining of plastics6%
B29KIndexing scheme associated with subclasses b29b, b29c or b29d, relating to moulding materials or to materials for moulds, reinforcements, fillers or preformed parts, e.g. inserts6%
G04GElectronic time-pieces6%
G04RRadio-controlled time-pieces6%
G08BSignalling systems, e.g. personal calling systems6%
B22FWorking metallic powder3%
B41JTypewriters3%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1992–2021Patents assigned to SEIKO EPSON CORP (10)· patent assignee history
1992–2000Based in Suwa, JP· patent location history
2015Based in Hachinohe, JP· patent location history
2021Based in Matsumoto, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SEIKO EPSON CORP101992–2021
Locations
LocationPatentsSpan
Suwa, JP81992–2000
Matsumoto, JP12021
Hachinohe, JP12015