Inventor

Isao Ishi

Inventor
Taga-gun, JP

Overview

1→
Patents
1992
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 1 as inventor

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

C23Cprimary
C23CCoating metallic material20%
F01CRotary-piston or oscillating-piston machines or engines20%
F05CIndexing scheme relating to materials, material properties or material characteristics for machines, engines or pumps other than non-positive-displacement machines or engines20%
F16CShafts20%
Y10TTechnical subjects covered by former us classification20%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1992Patents assigned to HITACHI LTD (1)· patent assignee history
1992Based in Taga-gun, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI LTD11992
Locations
LocationPatentsSpan
Taga-gun, JP11992