Inventor
Yukio Kohmura
Inventor
Chiba, JP
Overview
Patents· 10 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C03Bprimary
C03BManufacture, shaping, or supplementary processes26%
G01BMeasuring length, thickness or similar linear dimensions16%
G01NInvestigating or analysing materials by determining their chemical or physical properties16%
C23CCoating metallic material11%
Y02PClimate change mitigation technologies in the production or processing of goods11%
F01DNon-positive displacement machines or engines, e.g. steam turbines5%
G02BOptical elements, systems or apparatus5%
H01JElectric discharge tubes or discharge lamps5%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h105%
PatentTitleYear
6,748,766'Porous preform vitrification apparatus'20046,644,069'Method of heating and processing an end of an optical fiber preform and apparatus for heating and processing an end of an optical fiber preform'20036,619,074'Apparatus and method for production of a porous optical fiber preform'20036,519,977'Optical fiber preform suspending and supporting apparatus and optical fiber preform processing apparatus'20035,672,193'Production apparatus for producing an optical fiber cable'19975,558,721'Vapor phase growth system and a gas-drive motor'19965,548,213'Method and system for forming and inspecting an electroconductive film on optical fibers and substrates using eddy current to measure electrical resistance'19965,262,726'Method and system for inspection of electroconductive film using eddy current'19935,183,490'Optical fiber soot synthesis apparatus'19934,991,542'Method of forming a thin film by plasma CVD and apapratus for forming a thin film'1991Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1991–2004Patents assigned to FURUKAWA ELECTRIC CO LTD (10)· patent assignee history
1991–1997Based in Chiba, JP· patent location history
2003Based in Aichi, JP· patent location history
2004Based in Chiyoda-ku, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| FURUKAWA ELECTRIC CO LTD | 10 | 1991–2004 |
Locations
| Location | Patents | Span |
|---|---|---|
| Chiba, JP | 6 | 1991–1997 |
| Aichi, JP | 3 | 2003 |
| Chiyoda-ku, JP | 1 | 2004 |