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Inventor

Tunetoshi Saito

Inventor
Chiyoda-ku, JP

Overview

4→
Patents
2003–2021
Patent span
Physics
Primary field (CPC G)

Patents· 4 as inventor

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

G02Bprimary
G02BOptical elements, systems or apparatus43%
G08BSignalling systems, e.g. personal calling systems14%
H01LSemiconductor devices14%
H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers14%
H10NElectric solid-state devices not otherwise provided for14%
PatentTitleYear
11,051,099Sound reproduction device and sound reproduction system20216,829,418'Optical waveguide circuit device'20046,668,116'Arrayed waveguide grating type optical multiplexer/demultiplexer'20036,591,044'Optical waveguide circuit module'2003

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2003–2004Patents assigned to FURUKAWA ELECTRIC CO LTD (3)· patent assignee history
2003–2004Based in Chiyoda-ku, JP· patent location history
2021Patents assigned to PANASONIC IP MAN CO LTD (1)· patent assignee history
2021Based in Nara, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
FURUKAWA ELECTRIC CO LTD32003–2004
PANASONIC IP MAN CO LTD12021
Locations
LocationPatentsSpan
Chiyoda-ku, JP32003–2004
Nara, JP12021