Inventor

Yeong-Ju Kim

Inventor

Gumi-si, KR

Overview

7→

Patents

1998–2000

Patent span

Physics

Primary field (CPC G)

Patents· 7 as inventor

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

G02Bprimary

G02BOptical elements, systems or apparatus50%

G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein14%

H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light14%

B23KSoldering or unsoldering7%

H04BTransmission7%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests7%

PatentTitleYear

6,103,988'Apparatus and method for bonding optical elements by non-contact soldering'2000 6,019,522'Optical part packaging method and collimator assembly method'2000 5,880,875'Light amplifier having a multi-stage optical isolator'1999 5,841,573'Backward light cutting-off apparatus having transmitting light detecting stages and method for detecting transmitting light using the apparatus'1998 5,822,478'Optical device with means for preventing remaining scattered light rays from being fed back to the signal line and method for fabricating it'1998 5,768,458'Optical coupling device with ball lens and method for manufacturing the same'1998 5,734,768'Aligning apparatus for optical coupling and manufacturing method thereof'1998

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1998–2000Patents assigned to SAMSUNG ELECTRONICS CO LTD (7)· patent assignee history

1998–1999Based in Gumi-si, KR· patent location history

1998Based in Hongchun-gun, KR· patent location history

2000Based in Kumi, KR· patent location history

2000Based in Kumi-shi, KR· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
SAMSUNG ELECTRONICS CO LTD	7	1998–2000

Locations

Location	Patents	Span
Gumi-si, KR	4	1998–1999
Kumi, KR	1	2000
Kumi-shi, KR	1	2000
Hongchun-gun, KR	1	1998