Inventor

Yoshio Takamura

Inventor

Yokohama, JP

Overview

1980–2010

Patent span

Electricity

Primary field (CPC H)

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

H02Mprimary

H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems31%

A44BButtons, pins, buckles, slide fasteners, or the like19%

Y10TTechnical subjects covered by former us classification19%

C02FTreatment of water, waste water, sewage, or sludge6%

H04NPictorial communication, e.g. television6%

A41HAppliances or methods for making clothes, e.g. for dress-making or for tailoring, not otherwise provided for3%

B41MPrinting, duplicating, marking, or copying processes3%

F16GBelts, cables, or ropes, predominantly used for driving purposes3%

H01JElectric discharge tubes or discharge lamps3%

Y02WClimate change mitigation technologies related to wastewater treatment or waste management3%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1980–1987Based in Yokohama, JP· patent location history

1981–1987Patents assigned to TOKYO SHIBAURA ELECTRIC CO (7)· patent assignee history

1987Patents assigned to TOSHIBA KK (4)· patent assignee history

1994–2010Based in Kurobe, JP· patent location history

1996–2001Patents assigned to SHARP KK (2)· patent assignee history

1996–2001Patents assigned to SHINKO PANTEC CO LTD (2)· patent assignee history

1996–2001Based in Osaka, JP· patent location history

1999Based in Inba-gun, JP· patent location history

2003–2010Patents assigned to YKK CORP (4)· patent assignee history

2003Based in Toyama, JP· patent location history

Assignee and location history derived from the patent record.

Assignees

Locations