Inventor
Yongtie Yan
Inventor
Kumagaya, JP
Overview
Patents· 9 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G01Nprimary
G01NInvestigating or analysing materials by determining their chemical or physical properties57%
Y02ATechnologies for adaptation to climate change29%
F16JPistons7%
Y10TTechnical subjects covered by former us classification7%
PatentTitleYear
9,920,836'Piston ring for internal combustion engine'20186,787,014'Gas-detecting element and gas-detecting device comprising same'20046,673,223'Gas sensing and oxygen pumping device, and apparatus using the same'20046,551,497'Measuring NOx concentration'20036,413,397'Nitrogen oxide gas sensor'20026,319,377'Nitrogen oxide sensor'20016,303,011'Gas sensor'20016,274,016'Nitrogen oxide gas sensor'20016,126,902'NOx sensor'2000Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2000–2004Patents assigned to RIKEN KK (8)· patent assignee history
2000–2018Based in Kumagaya, JP· patent location history
2004Based in Saitama, JP· patent location history
2018Patents assigned to KK RIKEN (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| RIKEN KK | 8 | 2000–2004 |
| KK RIKEN | 1 | 2018 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kumagaya, JP | 8 | 2000–2018 |
| Saitama, JP | 1 | 2004 |