Inventor
Masao Koriyama
Inventor
Iwata, JP
Overview
Patents· 6 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F02Bprimary
F02BInternal-combustion piston engines26%
F02FCylinders, pistons or casings, for combustion engines21%
F16JPistons11%
Y02TClimate change mitigation technologies related to transportation11%
Y10TTechnical subjects covered by former us classification11%
C25DProcesses for the electrolytic or electrophoretic production of coatings5%
F01MLubricating of machines or engines in general5%
F01PCooling of machines or engines in general5%
F02DControlling combustion engines5%
PatentTitleYear
7,765,975'Engine cylinder block'20106,125,811'Engine cylinder block'20005,934,239'Plated cylinder arrangement'19995,666,933'Sleeveless cylinder block without marginal plating coating'19975,220,890'Variable compression device for two cycle diesel engine'19934,970,996'Two stroke diesel engine'1990Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1990–2000Patents assigned to YAMAHA MOTOR CO LTD (5)· patent assignee history
1990–2000Based in Iwata, JP· patent location history
2010Patents assigned to OWREIK PETROLIAM NAT BERHAD (1)· patent assignee history
2010Based in Mori-machi, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| YAMAHA MOTOR CO LTD | 5 | 1990–2000 |
| OWREIK PETROLIAM NAT BERHAD | 1 | 2010 |
Locations
| Location | Patents | Span |
|---|---|---|
| Iwata, JP | 5 | 1990–2000 |
| Mori-machi, JP | 1 | 2010 |