Inventor
Ryutaro Abe
Inventor
Toyokawa, JP
Overview
Patents· 7 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B62Dprimary
B62DMotor vehicles18%
C22CAlloys18%
F04CRotary-piston, or oscillating-piston, positive-displacement machines for liquids18%
Y10TTechnical subjects covered by former us classification18%
B01DSeparation9%
C21DModifying the physical structure of ferrous metals9%
C22FChanging the physical structure of non-ferrous metals and non-ferrous alloys9%
PatentTitleYear
10,000,830Method for manufacturing martensite-based precipitation strengthening stainless steel20189,828,657Ni-base super alloy20175,201,878'Vane pump with pressure chambers at the outlet to reduce noise'19934,964,983'Reservoir'19904,917,139'Flow control apparatus for a power steering device'19904,347,047'Hydraulic pump for power steering'19824,220,072'Power steering apparatus'1980Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1980–1993Patents assigned to TOYODA MACHINE WORKS LTD (5)· patent assignee history
1980Patents assigned to TOYOTA MOTOR CO LTD (1)· patent assignee history
1980–1993Based in Toyokawa, JP· patent location history
2017–2018Patents assigned to HITACHI METALS LTD (2)· patent assignee history
2017–2018Based in Shimane, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| TOYODA MACHINE WORKS LTD | 5 | 1980–1993 |
| HITACHI METALS LTD | 2 | 2017–2018 |
| TOYOTA MOTOR CO LTD | 1 | 1980 |
Locations
| Location | Patents | Span |
|---|---|---|
| Toyokawa, JP | 5 | 1980–1993 |
| Shimane, JP | 2 | 2017–2018 |