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Inventor

Hirofumi Miki

Inventor
Osaka, JP

Overview

5→
Patents
1991–2010
Patent span
Physics
Primary field (CPC G)

Patents· 5 as inventor

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

F23Nprimary
F23NRegulating or controlling combustion12%
G01JMeasurement of intensity, velocity, spectral content, polarisation, phase or pulse characteristics of infrared, visible or ultraviolet light12%
G01MTesting static or dynamic balance of machines or structures12%
G01NInvestigating or analysing materials by determining their chemical or physical properties12%
B21DWorking or processing of sheet metal or metal tubes, rods or profiles without essentially removing material6%
B21JForging6%
B21KMaking forged or pressed metal products, e.g. horse-shoes, rivets, bolts or wheels6%
B65GTransport or storage devices, e.g. conveyors for loading or tipping, shop conveyor systems or pneumatic tube conveyors6%
B65HHandling thin or filamentary material, e.g. sheets, webs, cables6%
F16CShafts6%
PatentTitleYear
7,775,925'Oil-free chain'20107,594,332'Method and apparatus for making a cylindrical bearing member'20097,505,126'Method and device for monitoring hydrogen gas and hydrogen flame'20097,385,681'Gas leakage monitoring method and its system'20084,995,566'Reel'1991

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1991–2010Patents assigned to TSUBAKIMOTO CHAIN CO (3)· patent assignee history
1991Based in Daito, JP· patent location history
2008–2009Patents assigned to SHIKOKU RESEARCH INST INC (2)· patent assignee history
2008–2009Based in Takamatsu, JP· patent location history
2009–2010Based in Osaka, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
TSUBAKIMOTO CHAIN CO31991–2010
SHIKOKU RESEARCH INST INC22008–2009
Locations
LocationPatentsSpan
Osaka, JP22009–2010
Takamatsu, JP22008–2009
Daito, JP11991