Inventor

Tetuya Yoshida

Inventor

Tsuchiura, JP

Overview

8→

Patents

1997–2002

Patent span

Mechanical engineering

Primary field (CPC F)

Patents· 8 as inventor

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

F04Dprimary

F04DNon-positive-displacement pumps33%

F05BIndexing scheme relating to wind, spring, weight, inertia or like motors, to machines or engines for liquids covered by subclasses f03b, f03d and f03g33%

F05DIndexing scheme for aspects relating to non-positive-displacement machines or engines, gas-turbines or jet-propulsion plants33%

PatentTitleYear

6,371,724'Centrifugal fluid machine'2002 6,364,607'Centrifugal fluid machine'2002 6,312,222'Centrifugal fluid machine'2001 6,290,460'Centrifugal fluid machine'2001 6,139,266'Centrifugal fluid machine'2000 5,971,705'Centrifugal fluid machine'1999 5,857,834'Centrifugal fluid machine'1999 5,595,473'Centrifugal fluid machine'1997

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1997–2002Patents assigned to HITACHI LTD (8)· patent assignee history

1997–2002Based in Tsuchiura, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
HITACHI LTD	8	1997–2002

Locations

Location	Patents	Span
Tsuchiura, JP	8	1997–2002