Inventor
Kazunori Kurahashi
Inventor
Hadano, JP
Overview
Patents· 9 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F01Lprimary
F01LCyclically operating valves for machines or engines19%
B21KMaking forged or pressed metal products, e.g. horse-shoes, rivets, bolts or wheels12%
B23PMetal-working not otherwise provided for12%
B23KSoldering or unsoldering10%
F16KValves10%
Y10TTechnical subjects covered by former us classification10%
C22CAlloys7%
B21JForging5%
C23CCoating metallic material5%
B22FWorking metallic powder2%
PatentTitleYear
10,473,002Poppet valve and method for manufacturing same20199,539,685'Workpiece conveyer apparatus of machine tool'20179,441,287'Ni-Cr-Co-based alloy having high-temperature corrosion resistance, and poppet valve surface-modified with the same'20169,371,915'Poppet valve with a formed seat, and method of making'20169,206,715'High-toughness cobalt-based alloy and engine valve coated with same'20159,206,319'Wear-resistant cobalt-based alloy and engine valve coated with same'20159,163,734'Poppet valve with a formed seat, and method of making'20159,015,940'Method of manufacturing a valve for an internal combustion engine'20158,978,248'Method of manufacturing a valve for an internal combustion engine'2015Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2015–2019Patents assigned to NITTAN VALVA (8)· patent assignee history
2015Patents assigned to KURAHASHI KAZUNORI (4)· patent assignee history
2015Patents assigned to FUKUDA METAL FOIL POWDER (2)· patent assignee history
2015Patents assigned to MIKAMI Maiku (2)· patent assignee history
2015Patents assigned to NISHIMURA SHINICHI (2)· patent assignee history
2015–2016Based in Hadano, JP· patent location history
2015–2019Based in Kanagawa, JP· patent location history
2017Based in Yao, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| NITTAN VALVA | 8 | 2015–2019 |
| KURAHASHI KAZUNORIself | 4 | 2015 |
| FUKUDA METAL FOIL POWDER | 2 | 2015 |
| MIKAMI Maiku | 2 | 2015 |
| NISHIMURA SHINICHI | 2 | 2015 |
Locations
| Location | Patents | Span |
|---|---|---|
| Hadano, JP | 5 | 2015–2016 |
| Kanagawa, JP | 3 | 2015–2019 |
| Yao, JP | 1 | 2017 |