Inventor
Toshio Yoshimitsu
Inventor
Oyama, JP
Overview
Patents· 5 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F16Jprimary
F16JPistons15%
H05HPlasma technique15%
B23KSoldering or unsoldering8%
C22CAlloys8%
C23CCoating metallic material8%
F02BInternal-combustion piston engines8%
F02FCylinders, pistons or casings, for combustion engines8%
F28DHeat-exchange apparatus, not provided for in another subclass, in which the heat-exchange media do not come into direct contact8%
F28FDetails of heat-exchange and heat-transfer apparatus, of general application8%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests8%
PatentTitleYear
5,874,707'Processing torch having a separably assembled torch base and torch head'19995,628,924'Plasma arc torch'19974,876,158'Piston ring having a wear resistant surface layer'19894,706,616'Internal combustion engine cylinder liner coatings'19874,168,737'Heat exchange recuperator'1979Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1979–1999Patents assigned to KOMATSU MFG CO LTD (5)· patent assignee history
1979Based in Fujisawa, JP· patent location history
1987–1997Based in Oyama, JP· patent location history
1989Patents assigned to KABUSHIKIKAISHA RIKEN (1)· patent assignee history
1999Patents assigned to KOMATSU IND CORP (1)· patent assignee history
1999Based in Kanagawa, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| KOMATSU MFG CO LTD | 5 | 1979–1999 |
| KABUSHIKIKAISHA RIKEN | 1 | 1989 |
| KOMATSU IND CORP | 1 | 1999 |
Locations
| Location | Patents | Span |
|---|---|---|
| Oyama, JP | 3 | 1987–1997 |
| Kanagawa, JP | 1 | 1999 |
| Fujisawa, JP | 1 | 1979 |