Inventor
Naohisa Koyanagi
Inventor
Isesaki, JP
Overview
Patents· 10 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H02Kprimary
H02KDynamo-electric machines56%
H01RElectrically-conductive connections11%
Y10TTechnical subjects covered by former us classification11%
B06BMethods or apparatus for generating or transmitting mechanical vibrations of infrasonic, sonic, or ultrasonic frequency, e.g. for performing mechanical work in general6%
B25CHand-held nailing or stapling tools6%
F16CShafts6%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests6%
PatentTitleYear
8,334,627'Compact motor'20127,088,022'Axial air-gap vibration motor'20066,909,206'Flat rotor and motor comprising the same'20056,853,109'Axially sliding contact type of a commutator, a rotor including the commutator, and an electric motor having the rotor'20056,765,331'Eccentric rotor having high density member, manufacturing method thereof, and flat coreless vibrator motor using the eccentric rotor'20046,762,518'Flat core brushless motor'20046,380,651'Brushless motor having resin bearing'20026,326,711'DC brushless motor having eccentric rotor'20015,373,207'Brushless vibrator motor for a wireless silent alerting device'19945,341,057'Vibrator motor for a wireless silent alerting device'1994Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1994–2012Patents assigned to TOKYO PARTS KOGYO KK (10)· patent assignee history
1994–2012Based in Isesaki, JP· patent location history
2012Patents assigned to KOYANAGI NAOHISA (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| TOKYO PARTS KOGYO KK | 10 | 1994–2012 |
| KOYANAGI NAOHISAself | 1 | 2012 |
Locations
| Location | Patents | Span |
|---|---|---|
| Isesaki, JP | 10 | 1994–2012 |