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Inventor

Naoki Kitamura

Inventor
Tokyo, JP

Overview

13→
Patents
1995–2020
Patent span
Physics
Primary field (CPC G)

Patents· 13 as inventor

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

G02Bprimary
G02BOptical elements, systems or apparatus32%
C22CAlloys8%
C22FChanging the physical structure of non-ferrous metals and non-ferrous alloys8%
G11BInformation storage based on relative movement between record carrier and transducer8%
B60LPropulsion of electrically-propelled vehicles4%
B60WConjoint control of vehicle sub-units of different type or different function4%
B60YIndexing scheme relating to aspects cross-cutting vehicle technology4%
B62KCycles4%
B62MRider propulsion of wheeled vehicles or sledges4%
C23CCoating metallic material4%
PatentTitleYear
10,800,489Straddled vehicle202010,767,247Aluminum alloy magnetic disk substrate and method for producing same202010,755,738Aluminum alloy substrate for magnetic discs and manufacturing method therefor, as well as magnetic disc using said aluminum alloy substrate for magnetic discs202010,457,288Straddled vehicle20197,317,862'Mechanism for releasing lock between optical transceiver and cage, optical transceiver, communication apparatus and method of releasing lock between optical transceiver and cage'20086,480,647'Waveguide-type wavelength multiplexing optical transmitter/receiver module'20026,393,171'Optical module for optical transmission and manufacturing process therefor'20025,949,931'Optical coupler'19995,907,646'Optical coupling circuit and fabrication process therefor'19995,825,951'Optical transmitter-receiver module'19985,548,673'Optical coupling device'19965,546,488'Waveguide-type optical path converter for converting a propagation direction of a light'19965,479,552'Waveguide-type optical device'1995

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1995–2008Patents assigned to NEC CORP (9)· patent assignee history
1995–2020Based in Tokyo, JP· patent location history
2019–2020Patents assigned to YAMAHA MOTOR CO LTD (2)· patent assignee history
2019–2020Based in Shizuoka, JP· patent location history
2020Patents assigned to FURUKAWA ELECTRIC CO LTD (2)· patent assignee history
2020Patents assigned to UACJ CORP (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
NEC CORP91995–2008
FURUKAWA ELECTRIC CO LTD22020
UACJ CORP22020
YAMAHA MOTOR CO LTD22019–2020
Locations
LocationPatentsSpan
Tokyo, JP111995–2020
Shizuoka, JP22019–2020