Inventor

Kaoru Koyanagi

Inventor

Saku, JP

Overview

14→

Patents

1987–1994

Patent span

General tagging of new technological developments

Primary field (CPC Y)

Patents· 14 as inventor

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

Y10Sprimary

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests22%

H10FInorganic semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation20%

Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution20%

Y02PClimate change mitigation technologies in the production or processing of goods20%

G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein11%

H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h109%

PatentTitleYear

5,353,140'Liquid crystal display'1994 5,296,405'Method for photo annealing non-single crystalline semiconductor films'1994 5,196,954'Liquid crystal display'1993 5,171,710'Method for photo annealing non-single crystalline semiconductor films'1992 5,089,426'Method for manufacturing a semiconductor device free from electrical shortage due to pin-hole formation'1992 4,986,213'Semiconductor manufacturing device'1991 4,937,651'Semiconductor device free from the current leakage through a semiconductor layer and method for manufacturing same'1990 4,888,305'Method for photo annealing non-single crystalline semiconductor films'1989 4,861,143'Liquid crystal display capable of displaying grey tone'1989 4,812,415'Method for making semiconductor device free from electrical short circuits through a semiconductor layer'1989 4,799,776'Ferroelectric liquid crystal display device having a single polarizer'1989 4,786,607'Method for manufacturing a semiconductor device free from current leakage through a semiconductor layer'1988 4,725,558'Semiconductor defects curing method and apparatus'1988 4,691,995'Liquid crystal filling device'1987

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1987–1994Patents assigned to SEMICONDUCTOR ENERGY LAB (14)· patent assignee history

1987–1994Based in Saku, JP· patent location history

1989–1992Based in Nagano, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
SEMICONDUCTOR ENERGY LAB	14	1987–1994

Locations

Location	Patents	Span
Saku, JP	12	1987–1994
Nagano, JP	2	1989–1992