Inventor

Kiyotaka Kawashima

Inventor

Tokyo, JP

Overview

18→

Patents

1992–2016

Patent span

Performing operations

Primary field (CPC B)

Patents· 18 as inventor

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

B24Bprimary

B24BMachines, devices, or processes for grinding or polishing27%

C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients11%

C08LCompositions of macromolecular compounds8%

B01DSeparation5%

B60LPropulsion of electrically-propelled vehicles5%

H02JElectric power networks5%

H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h105%

Y02TClimate change mitigation technologies related to transportation5%

Y04SSystems integrating technologies related to power network operation, communication or information technologies for improving the electrical power generation, transmission, distribution, management or usage, i.e. smart grids5%

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

PatentTitleYear

9,409,490'Device alignment in inductive power transfer systems'2016 8,669,740'Vehicle charging system'2014 7,601,782'Composition of polyarylenesulfide, bisphenol epoxy resin and oxazoline-containing amorphous polymer'2009 6,677,406'Resin composition and molded product'2004 RE038228'Polishing apparatus'2003 6,579,936'Composition of polyarylenesulfide, epoxy resin and oxazoline polymer'2003 6,508,695'Pure water reusing system'2003 6,406,364'Polishing solution feeder'2002 6,358,125'Polishing liquid supply apparatus'2002 6,338,671'Apparatus for supplying polishing liquid'2002 6,293,849'Polishing solution supply system'2001 6,280,300'Filter apparatus'2001 6,059,920'Semiconductor device polishing apparatus having improved polishing liquid supplying apparatus, and polishing liquid supplying method'2000 5,584,959'Waste treatment system in a polishing apparatus'1996 5,384,986'Polishing apparatus'1995 5,302,651'Polyarylene sulfide resin composition'1994 5,177,137'Polyphenylene sulfide resin composition'1993 5,169,892'Polyphenylene sulfide resin composition'1992

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1992–2009Patents assigned to DAINIPPON INK & CHEMICALS (6)· patent assignee history

1992–1994Based in Takaishi, JP· patent location history

1995–2003Patents assigned to EBARA CORP (10)· patent assignee history

1995–2016Based in Tokyo, JP· patent location history

2000–2003Patents assigned to TOSHIBA KK (2)· patent assignee history

2000–2003Based in Yokohama, JP· patent location history

2003–2009Based in Kishiwada, JP· patent location history

2014Patents assigned to HONDA MOTOR CO LTD (1)· patent assignee history

2014Patents assigned to KAWASHIMA KIYOTAKA (1)· patent assignee history

2014Based in Utsunomiya, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
EBARA CORP	10	1995–2003
DAINIPPON INK & CHEMICALS	6	1992–2009
TOSHIBA KK	2	2000–2003
HONDA MOTOR CO LTD	1	2014
KAWASHIMA KIYOTAKAself	1	2014

Locations

Location	Patents	Span
Tokyo, JP	6	1995–2016
Yokohama, JP	4	2000–2003
Takaishi, JP	3	1992–1994
Kishiwada, JP	2	2003–2009
Utsunomiya, JP	1	2014