Inventor

Kazutaka Hosokawa

Inventor

Osaka, JP

Overview

1978–2020

Patent span

Chemistry

Primary field (CPC C)

Patents· 19 as inventor

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

C08Fprimary

C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds28%

C08JWorking-up18%

Y10TTechnical subjects covered by former us classification10%

C08LCompositions of macromolecular compounds8%

C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients5%

G01NInvestigating or analysing materials by determining their chemical or physical properties5%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests5%

B01DSeparation3%

B23KSoldering or unsoldering3%

C02FTreatment of water, waste water, sewage, or sludge3%

PatentTitleYear

10,870,735Method for producing low molecular weight polytetrafluoroethylene, low molecular weight polytetrafluoroethylene, and powder2020 10,793,650Method for producing low molecular weight polytetrafluoroethylene, low molecular weight polytetrafluoroethylene, and powder2020 10,538,605Method for producing low molecular weight polytetrafluoroethylene, low molecular weight polytetrafluoroethylene, and powder2020 8,672,652'High-pressure fuel supply pump and the manufacturing method'2014 7,367,746'Lifting pole apparatus for traffic control'2008 6,747,108'Modified polytetrafluoroethylene fine powder and process for preparing the same'2004 6,531,557'Modified polytetrafluoroethylene fine powder and method for the production of the same'2003 6,503,988'Polytetrafluoroethylene fine powders and their use'2003 6,136,893'Method for concentrating aqueous dispersion of fluorine-containing polymer'2000 5,792,942'Apparatus for determining properties of slurry materials and sludge treating process'1998 5,641,894'Process and apparatus for filtrate measurement'1997 5,324,785'Polytetrafluoroethylene fine particles and powder'1994 5,284,708'Modified polytetrafluoroethylene fine powder and process for preparing the same'1994 5,176,958'Modified polytetrafluoroethylene fine powder and process for preparing the same'1993 5,143,783'Porous film of polytetrafluoroethylene and preparation thereof'1992 5,118,788'Process for preparing polytetrafluoroethylene powder'1992 4,840,998'Modified polytetrafluoroethylene fine powder and production of the same'1989 4,487,882'Fluoroelastomer composition'1984 4,114,427'Apparatus for accurately measuring the freeness of paper stock flowing in a feed pipe'1978

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1978Patents assigned to HONSHU PAPER CO LTD (1)· patent assignee history

1978–2008Based in Odawara, JP· patent location history

1984–2020Patents assigned to DAIKIN IND LTD (14)· patent assignee history

1984–2020Based in Osaka, JP· patent location history

1989–2004Based in Settsu, JP· patent location history

1997–2008Patents assigned to KOEI INDUSTRY CO LTD (3)· patent assignee history

1997–1998Based in Kanagawa, JP· patent location history

2014Patents assigned to HITACHI LTD (1)· patent assignee history

2014Patents assigned to HOSOKAWA KAZUTAKA (1)· patent assignee history

2014Based in Hitachinaka, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
DAIKIN IND LTD	14	1984–2020
KOEI INDUSTRY CO LTD	3	1997–2008
HITACHI LTD	1	2014
HONSHU PAPER CO LTD	1	1978
HOSOKAWA KAZUTAKAself	1	2014

Locations

Location	Patents	Span
Osaka, JP	7	1984–2020
Settsu, JP	7	1989–2004
Odawara, JP	2	1978–2008
Kanagawa, JP	2	1997–1998
Hitachinaka, JP	1	2014