Inventor
Chikara Saeki
Inventor
Hatano, JP
Overview
Patents· 10 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F28Fprimary
F28FDetails of heat-exchange and heat-transfer apparatus, of general application42%
B21CManufacture of metal sheets, wire, rods, tubes, profiles or like semi-manufactured products otherwise than by rolling16%
F25BRefrigeration machines, plants or systems11%
B01DSeparation5%
B21BRolling of metal5%
F28DHeat-exchange apparatus, not provided for in another subclass, in which the heat-exchange media do not come into direct contact5%
Y02ATechnologies for adaptation to climate change5%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications5%
Y10TTechnical subjects covered by former us classification5%
PatentTitleYear
6,834,523'Method for producing seamless tube with grooved inner surface'20046,655,451'Heat transfer tube for falling film type evaporator'20036,336,501'Tube having grooved inner surface and its production method'20026,176,302'Boiling heat transfer tube'20016,098,420'Absorption chiller and heat exchanger tube used the same'20006,056,048'Falling film type heat exchanger tube'20005,960,870'Heat transfer tube for absorber'19995,915,467'Heat transfer tube with grooves in inner surface of tube'19995,724,844'Inner grooved tube forming apparatus'19984,876,869'Inner grooving process for a metallic tube'1989Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1989–2004Patents assigned to KOBE STEEL LTD (10)· patent assignee history
1989–2004Based in Hatano, JP· patent location history
2000Patents assigned to SANYO ELECTRIC CO (2)· patent assignee history
2000Based in Kanagawa, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| KOBE STEEL LTD | 10 | 1989–2004 |
| SANYO ELECTRIC CO | 2 | 2000 |
Locations
| Location | Patents | Span |
|---|---|---|
| Hatano, JP | 8 | 1989–2004 |
| Kanagawa, JP | 2 | 2000 |