Inventor
Yoshiki Chigusa
Inventor
Yokohama, JP
Overview
Patents· 8 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C03Bprimary
C03BManufacture, shaping, or supplementary processes19%
C03CChemical composition of glasses, glazes or vitreous enamels19%
H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light19%
G02BOptical elements, systems or apparatus13%
C04BLime, magnesia6%
H10NElectric solid-state devices not otherwise provided for6%
Y02PClimate change mitigation technologies in the production or processing of goods6%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests6%
Y10TTechnical subjects covered by former us classification6%
PatentTitleYear
8,488,928'Opto-electro hybrid harness and method of manufacturing the same'20135,597,398'Process for producing glass preform for optical fiber'19975,430,824'Optical fibre, waveguide, and optical active device'19955,337,401'Optical functioning glass and method of manufacturing same, optical fiber, waveguide device, and laser device'19945,253,322'Optical functioning glass and fiber amplifier'19935,232,901'Method of producing superconducting ceramic wire having protective metal coating thereon'19935,073,179'Method for controlling fiber diameter during optical fiber drawing process'19914,553,995'Process for producing image fiber'1985Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1985–2013Patents assigned to SUMITOMO ELECTRIC INDUSTRIES (8)· patent assignee history
1985–1997Based in Yokohama, JP· patent location history
1994–1995Patents assigned to NIPPON TELEGRAPH & TELEPHONE (2)· patent assignee history
2013Patents assigned to CHIGUSA YOSHIKI (1)· patent assignee history
2013Patents assigned to ISHIMOTO TAKEKI (1)· patent assignee history
2013Based in Kanuma, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SUMITOMO ELECTRIC INDUSTRIES | 8 | 1985–2013 |
| NIPPON TELEGRAPH & TELEPHONE | 2 | 1994–1995 |
| CHIGUSA YOSHIKIself | 1 | 2013 |
| ISHIMOTO TAKEKI | 1 | 2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Yokohama, JP | 7 | 1985–1997 |
| Kanuma, JP | 1 | 2013 |