Inventor

Tatsuji Katoh

Inventor

Tokyo, JP

Overview

4→

Patents

1994–1998

Patent span

Performing operations

Primary field (CPC B)

Patents· 4 as inventor

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

B02Cprimary

B02CCrushing, pulverising, or disintegrating in general11%

B03BSeparating solid materials using liquids or using pneumatic tables or jigs11%

B07BSeparating solids from solids by sieving, screening, sifting or by using gas currents11%

B09BDisposal of solid waste not otherwise provided for11%

B29BPreparation or pretreatment of the material to be shaped11%

B29KIndexing scheme associated with subclasses b29b, b29c or b29d, relating to moulding materials or to materials for moulds, reinforcements, fillers or preformed parts, e.g. inserts11%

B29LIndexing scheme associated with subclass b29c, relating to particular articles11%

Y02WClimate change mitigation technologies related to wastewater treatment or waste management11%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests11%

PatentTitleYear

5,740,918'Apparatus and method for density separation of plastics'1998 5,611,493'System and method for disposing waste'1997 5,431,347'System and method for disposing waste'1995 5,301,881'System for disposing waste'1994

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1994–1998Patents assigned to HITACHI LTD (4)· patent assignee history

1994–1998Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
HITACHI LTD	4	1994–1998

Locations

Location	Patents	Span
Tokyo, JP	4	1994–1998