Inventor

Kohji Aizawa

Inventor

Hitachi, JP

Overview

2→

Patents

1997–2004

Patent span

Mechanical engineering

Primary field (CPC F)

Patents· 2 as inventor

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

F16Cprimary

F16CShafts40%

F04DNon-positive-displacement pumps20%

F05CIndexing scheme relating to materials, material properties or material characteristics for machines, engines or pumps other than non-positive-displacement machines or engines20%

F16HGearing20%

PatentTitleYear

6,676,296'Radial bearing and transmission using the same'2004 5,639,165'Method of operating pump and bearing device for pump'1997

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1997–2004Patents assigned to HITACHI LTD (2)· patent assignee history

1997–2004Based in Hitachi, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
HITACHI LTD	2	1997–2004

Locations

Location	Patents	Span
Hitachi, JP	2	1997–2004