Inventor
Kazunobu Ooyama
Inventor
Kusatsu, JP
Overview
Patents· 4 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H02Pprimary
H02PControl or regulation of electric motors, electric generators or dynamo-electric converters22%
D01FChemical features in the manufacture of artificial filaments, threads, fibres, bristles or ribbons11%
D21HPulp compositions11%
H01GCapacitors11%
H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy11%
H02KDynamo-electric machines11%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution11%
Y02TClimate change mitigation technologies related to transportation11%
PatentTitleYear
10,964,986Separator for electrochemical elements, and electrochemical element comprising same20215,818,139'Brushless DC motor'19985,804,939'Brushless D.C. motor driving and controlling method and apparatus therefor and electrical equipment'19985,739,650'Motor system capable of obtaining high efficiency and method for controlling a motor'1998Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1998Patents assigned to DAIKEN IND LTD (1)· patent assignee history
1998Patents assigned to DAIKIN IND LTD (1)· patent assignee history
1998Based in Kusatsu, JP· patent location history
1998Based in Otsu-shi, Shiga, JP· patent location history
2021Patents assigned to MITSUBISHI PAPER MILLS LTD (1)· 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 |
|---|---|---|
| DAIKEN IND LTD | 1 | 1998 |
| DAIKIN IND LTD | 1 | 1998 |
| MITSUBISHI PAPER MILLS LTD | 1 | 2021 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kusatsu, JP | 2 | 1998 |
| Tokyo, JP | 1 | 2021 |
| Otsu-shi, Shiga, JP | 1 | 1998 |