Inventor
Kazunori Kawahara
Inventor
Nishio, JP
Overview
Patents· 8 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F01Lprimary
F01LCyclically operating valves for machines or engines22%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry17%
Y10TTechnical subjects covered by former us classification17%
C07CAcyclic or carbocyclic compounds11%
F01MLubricating of machines or engines in general11%
B21DWorking or processing of sheet metal or metal tubes, rods or profiles without essentially removing material6%
C01BNon-metallic elements6%
F16HGearing6%
Y02PClimate change mitigation technologies in the production or processing of goods6%
PatentTitleYear
10,794,236Tappet20209,283,606'Method of manufacturing supporting structure, swaging jig for use therein and the supporting structure'20168,844,488'Lubrication structure for rocker arm'20148,757,118'Shim for valve drive mechanism, and valve drive mechanism'20148,100,792'Hydraulic auto-tensioner'20125,198,579'Catalyst for oxidizing methacrolein and method for preparing methacrylic acid'19935,144,090'Method for preparing acrolein or methacrolein'19925,093,292'Chromium oxide catalyst impregnation regeneration method'1992Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1992–1993Patents assigned to MITSUI TOATSU CHEMICALS (3)· patent assignee history
1992–1993Based in Yamaguchi, JP· patent location history
2012–2020Patents assigned to OTICS CORP (5)· patent assignee history
2012Patents assigned to KATO YUJI (1)· patent assignee history
2012Patents assigned to KAWAHARA KAZUNORI (1)· patent assignee history
2012Patents assigned to KAWARA HIROYUKI (1)· patent assignee history
2012–2020Based in Nishio, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| OTICS CORP | 5 | 2012–2020 |
| MITSUI TOATSU CHEMICALS | 3 | 1992–1993 |
| KATO YUJI | 1 | 2012 |
| KAWAHARA KAZUNORIself | 1 | 2012 |
| KAWARA HIROYUKI | 1 | 2012 |
Locations
| Location | Patents | Span |
|---|---|---|
| Nishio, JP | 5 | 2012–2020 |
| Yamaguchi, JP | 3 | 1992–1993 |