Inventor
Seizo Masukawa
Inventor
Aizuwakamatsu, JP
Overview
Patents· 5 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B21Cprimary
B21CManufacture of metal sheets, wire, rods, tubes, profiles or like semi-manufactured products otherwise than by rolling18%
F28FDetails of heat-exchange and heat-transfer apparatus, of general application18%
B21BRolling of metal14%
F28DHeat-exchange apparatus, not provided for in another subclass, in which the heat-exchange media do not come into direct contact14%
Y10TTechnical subjects covered by former us classification14%
B21HMaking particular metal objects by rolling, e.g. screws, wheels, rings, barrels, balls5%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form5%
C23CCoating metallic material5%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h105%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests5%
PatentTitleYear
5,934,128'Heat transfer tube having grooved inner surface'19995,791,405'Heat transfer tube having grooved inner surface'19985,510,197'Lead frame material and lead frame for semiconductor device'19965,259,448'Heat transfer tubes and method for manufacturing'19935,052,476'Heat transfer tubes and method for manufacturing'1991Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1991–1999Patents assigned to MITSUBISHI SHINDO KK (5)· patent assignee history
1991–1999Based in Aizuwakamatsu, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MITSUBISHI SHINDO KK | 5 | 1991–1999 |
Locations
| Location | Patents | Span |
|---|---|---|
| Aizuwakamatsu, JP | 5 | 1991–1999 |