Inventor
Sheng-Jui Chao
Inventor
Taichung, TW
Overview
Patents· 14 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G02Bprimary
G02BOptical elements, systems or apparatus22%
B29DProducing particular articles from plastics or from substances in a plastic state11%
G01NInvestigating or analysing materials by determining their chemical or physical properties11%
E21BEarth or rock drilling8%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests8%
Y10TTechnical subjects covered by former us classification8%
B23QDetails, components, or accessories for machine tools, e.g. arrangements for copying or controlling6%
B24BMachines, devices, or processes for grinding or polishing6%
B29CShaping or joining of plastics6%
B08BCleaning in general3%
PatentTitleYear
10,865,638Mid-infrared sensor202010,539,500Active surface cleaning for a sensor202010,487,646Mid-infrared sensor201910,345,480Mid-infrared acid sensor20197,506,422'Method for processing a lens barrel having a tubular wall that defines a hole, and device for implementing the method'20097,354,535'Method and apparatus for adhering light-shielding sheets respectively onto transparent bodies'20087,293,978'Device for forming high precision optical lens and the product made by the device'20077,215,490'Method for making a lens barrel'20077,209,301'Optical lens'20077,094,009'Gear-forming cutter'20066,916,229'Machine-implemented method for forming a release surface of a mold'20056,842,963'Process for finishing an end surface of a non-circular post'20056,798,950'Instrument and method for aligning optical collimators'20046,758,604'Pigtail assembly apparatus and method thereof'2004Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2004–2009Patents assigned to ASIA OPTICAL CO INC (8)· patent assignee history
2004–2009Based in Taichung, TW· patent location history
2005Patents assigned to ASTA OPTICAL CO INC (1)· patent assignee history
2007Patents assigned to ASIA OPTICAL CO LTD (1)· patent assignee history
2019–2020Patents assigned to SCHLUMBERGER TECHNOLOGY CORP (4)· patent assignee history
2019–2020Based in Cambridge, GB· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| ASIA OPTICAL CO INC | 8 | 2004–2009 |
| SCHLUMBERGER TECHNOLOGY CORP | 4 | 2019–2020 |
| ASIA OPTICAL CO LTD | 1 | 2007 |
| ASTA OPTICAL CO INC | 1 | 2005 |
Locations
| Location | Patents | Span |
|---|---|---|
| Taichung, TW | 10 | 2004–2009 |
| Cambridge, GB | 4 | 2019–2020 |