Inventor
Yutaka Masuda
Inventor
Tokyo, JP
Overview
Patents· 9 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F02Dprimary
F02DControlling combustion engines23%
F02BInternal-combustion piston engines18%
H01JElectric discharge tubes or discharge lamps18%
B63HMarine propulsion or steering14%
Y02TClimate change mitigation technologies related to transportation14%
F01MLubricating of machines or engines in general5%
F02PIgnition, other than compression ignition, for internal-combustion engines5%
F16JPistons5%
PatentTitleYear
11,131,254Marine engine202111,105,281Marine engine202111,098,620Variable compression ratio mechanism202111,085,380Engine control system202111,053,865Compression ratio control device and engine20217,928,657'Photomultiplier'20117,919,921'Photomultiplier'20117,880,385'Photomultiplier including an electronic-multiplier section in a housing'20116,835,922'Photomultiplier tube and production method therefor'2004Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2004–2011Patents assigned to HAMAMATSU PHOTONICS KK (4)· patent assignee history
2004–2011Based in Hamamatsu, JP· patent location history
2021Patents assigned to IHI CORP (5)· patent assignee history
2021Based in Tokyo, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| IHI CORP | 5 | 2021 |
| HAMAMATSU PHOTONICS KK | 4 | 2004–2011 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 5 | 2021 |
| Hamamatsu, JP | 4 | 2004–2011 |