Inventor

Hirofumi Yoshikawa

Inventor
Osaka, JP

Overview

25→
Patents
1976–2020
Patent span
Chemistry
Primary field (CPC C)

Patents· 25 as inventor

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

D06Fprimary
D06FLaundering, drying, ironing, pressing or folding textile articles8%
H01LSemiconductor devices8%
H10FInorganic semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation8%
C08JWorking-up6%
C09DCoating compositions, e.g. paints, varnishes or lacquers6%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution6%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests6%
Y10TTechnical subjects covered by former us classification6%
C02FTreatment of water, waste water, sewage, or sludge4%
G03CPhotosensitive materials for photographic purposes4%
PatentTitleYear
10,866,143Infrared photodetection system202010,811,554Infrared photodetector202010,636,833Quantum dot infrared detector202010,181,539Photoelectric conversion element and photoelectric conversion device including the same20199,601,643'Photoelectric conversion element'20179,240,507'Intermediate band solar cell using type I and type II quantum dot superlattices'20167,905,121'Washing machine with ion eluting and imbalance correcting units'20117,708,896'Ion eluting unit and device loaded with same'20107,624,601'Water supply device, water supply method, and washing machine having water supply device'20097,597,718'Method and washing machine for imparting antistaticity to fabric structure and fabric structure imparted with antistaticity'20096,886,371'Washer having a partial washing apparatus, and washing apparatus'20056,820,446'Sewage disposal agent, sewage purifier, washing machine with purifier, and sewage purifying method'20046,137,529'Apparatus for position data acquisition and an apparatus for coil position recognition'20005,977,172'PGE.sub.1 -containing-freeze dried preparation and process for the production thereof'19995,559,202'Bowl-shape microparticle and production thereof'19965,544,348'Simulation method and apparatus'1996D0368100'Feeder for supplying a fixed quantity of particles'19965,375,747'Pulverulent material feeder apparatus'19944,755,337'Process for surface treating a polyester film'19884,746,251'Method of digitizing a profile locus'19884,719,578'Profiling control apparatus and control method thereof'19884,492,719'Process for the production of slippery biaxially stretched polyester films'19854,439,479'Slippery biaxially stretched polyester films'19844,364,885'Process for producing easily adherable polyester film'19823,977,175'Draw-texturing polyester yarns'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1988Patents assigned to TEIJIN LTD (5)· patent assignee history
1982–1988Based in Hachioji, JP· patent location history
1988–2000Patents assigned to MITSUBISHI HEAVY IND LTD (3)· patent assignee history
1988Based in Hiroshima, JP· patent location history
1994–1996Based in Kariya, Aichi-pref., JP· patent location history
1996Patents assigned to IBM (1)· patent assignee history
2004–2020Patents assigned to SHARP KK (12)· patent assignee history
2004–2017Based in Osaka, JP· patent location history
2017–2020Patents assigned to UNIV TOKYO (5)· patent assignee history
2019–2020Based in Sakai, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SHARP KK122004–2020
TEIJIN LTD51976–1988
UNIV TOKYO52017–2020
MITSUBISHI HEAVY IND LTD31988–2000
IBM11996
Locations
LocationPatentsSpan
Osaka, JP82004–2017
Sakai, JP42019–2020
Hachioji, JP41982–1988
Kariya, Aichi-pref., JP21994–1996
Hiroshima, JP21988