Inventor

Yoshiro Ohta

Inventor

Kawasaki, JP

Overview

7→

Patents

1977–2012

Patent span

Chemistry

Primary field (CPC C)

Patents· 7 as inventor

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

C07Fprimary

C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium20%

B22CFoundry moulding13%

C04BLime, magnesia13%

B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form7%

C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds7%

C08JWorking-up7%

C22CAlloys7%

C25BElectrolytic or electrophoretic processes for the production of compounds or non-metals7%

LOCD17%

Y02PClimate change mitigation technologies in the production or processing of goods7%

PatentTitleYear

8,206,573'Electrode for electrolysis and method for producing aqueous solution of quaternary ammonium hydroxide using the same'2012 5,783,609'Process for recovering organoalkoxysilane from polyorganosiloxane'1998 5,611,848'Process for preparing refractory molded articles and binders therefor'1997 5,569,320'Process for preparing refractory molded articles and binders therefor'1996 5,103,034'Process for preparing alkoxysilanes'1992 4,931,578'Process for the production of trialkoxysilanes'1990 D0244604'Cordless electric pencil sharpener'1977

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977Patents assigned to ESQUIRE TRADING CO LTD (1)· patent assignee history

1977Based in Tokyo, JP· patent location history

1990–2012Patents assigned to TAMA CHEMICALS CO LTD (6)· patent assignee history

1990–1998Based in Kanagawa, JP· patent location history

1992–2012Based in Kawasaki, JP· patent location history

1996–1997Patents assigned to CADIC CORP (2)· patent assignee history

1996–1997Patents assigned to KSP INC (2)· patent assignee history

2012Patents assigned to CHO TOSHITSURA (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
TAMA CHEMICALS CO LTD	6	1990–2012
CADIC CORP	2	1996–1997
KSP INC	2	1996–1997
CHO TOSHITSURA	1	2012
ESQUIRE TRADING CO LTD	1	1977

Locations

Location	Patents	Span
Kawasaki, JP	4	1992–2012
Kanagawa, JP	2	1990–1998
Tokyo, JP	1	1977