Inventor
Natsuki Kawabata
Inventor
Shizuoka, JP
Overview
Patents· 19 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F04Cprimary
F04CRotary-piston, or oscillating-piston, positive-displacement machines for liquids56%
F01CRotary-piston or oscillating-piston machines or engines18%
F05CIndexing scheme relating to materials, material properties or material characteristics for machines, engines or pumps other than non-positive-displacement machines or engines9%
B01DSeparation6%
C10MLubricating compositions6%
F04BPositive-displacement machines for liquids3%
Y10TTechnical subjects covered by former us classification3%
PatentTitleYear
9,944,880Oil-free screw compressor coated with a base resin, a solid lubricant and a heat-resistant additive20189,790,943'Scroll-type fluid machine with grease-lubricated orbiting bearing'20179,328,731'Oil free compressor system'20169,145,892'Water injected scroll air compressor'20159,057,374'Oilless screw compressor and compressed air cooling unit'20158,979,515'Scroll-type fluid machine with grease-lubricated orbiting bearing'20158,801,412'Screw compressor'20148,721,308'Water injected scroll air compressor'20148,672,647'Water injected scroll air compressor'20148,585,376'Water-injection type scroll air compressor'20138,459,957'Water-injected compressor'20137,988,435'Oilless screw compressor and compressed air cooling unit'20117,708,538'Oil free screw compressor'20106,450,791'Scroll compressor'20026,283,738'Package-type scroll compressor'20016,210,132'Partition means for directing air flow over a cooler in an oilless scroll compressor'20016,193,486'Package-type scroll compressor'20016,142,755'Scroll compressor and method of manufacturing same'20006,123,529'Scroll compressor'2000Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2000–2002Patents assigned to HITACHI LTD (6)· patent assignee history
2000–2002Based in Shimizu, JP· patent location history
2010–2016Patents assigned to HITACHI IND EQUIPMENT SYS (10)· patent assignee history
2010–2018Based in Shizuoka, JP· patent location history
2013–2016Patents assigned to KAWABATA NATSUKI (8)· patent assignee history
2013–2014Patents assigned to SHIINOKI KAZUAKI (4)· patent assignee history
2013–2014Patents assigned to KAMEYA HIROTAKA (3)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HITACHI IND EQUIPMENT SYS | 10 | 2010–2016 |
| KAWABATA NATSUKIself | 8 | 2013–2016 |
| HITACHI LTD | 6 | 2000–2002 |
| SHIINOKI KAZUAKI | 4 | 2013–2014 |
| KAMEYA HIROTAKA | 3 | 2013–2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Shizuoka, JP | 13 | 2010–2018 |
| Shimizu, JP | 6 | 2000–2002 |