Inventor
Masaaki Chiba
Inventor
Himeji, JP
Overview
Patents· 8 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F02Pprimary
F02PIgnition, other than compression ignition, for internal-combustion engines17%
C23CCoating metallic material6%
F02BInternal-combustion piston engines6%
F16JPistons6%
G01CMeasuring distances, levels or bearings6%
G01DMeasuring not specially adapted for a specific variable6%
G01NInvestigating or analysing materials by determining their chemical or physical properties6%
G01PMeasuring linear or angular speed, acceleration, deceleration, or shock6%
G01SRadio direction-finding6%
G05DSystems for controlling or regulating non-electric variables6%
PatentTitleYear
10,988,841Film-forming method, manufacturing method of electronic device, and mask holder20216,724,481'Ground contamination detector'20046,181,271'Target locating system and approach guidance system'20014,960,038'Diaphragm device'19904,932,388'Rotary position detector for internal combustion engine'19904,903,525'Rotational position sensor device for internal combustion engine'19904,903,673'Iginition distributor for an internal combustion engine'19904,897,514'Distributor cap for an ignition distributor for an internal combustion engine'1990Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1990Patents assigned to MITSUBISHI ELECTRIC CORP (5)· patent assignee history
1990Based in Himeji, JP· patent location history
1990Based in Hyogo, JP· patent location history
2001–2004Patents assigned to TOSHIBA KK (2)· patent assignee history
2001Based in Yokohama, JP· patent location history
2004–2021Based in Kanagawa, JP· patent location history
2021Patents assigned to JAPAN STEEL WORKS LTD (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MITSUBISHI ELECTRIC CORP | 5 | 1990 |
| TOSHIBA KK | 2 | 2001–2004 |
| JAPAN STEEL WORKS LTD | 1 | 2021 |
Locations
| Location | Patents | Span |
|---|---|---|
| Himeji, JP | 4 | 1990 |
| Kanagawa, JP | 2 | 2004–2021 |
| Yokohama, JP | 1 | 2001 |
| Hyogo, JP | 1 | 1990 |