Inventor
Yasuaki Kasai
Inventor
Saitama, JP
Overview
Patents· 23 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G02Bprimary
G02BOptical elements, systems or apparatus21%
H02NElectric machines not otherwise provided for17%
A61BDiagnosis13%
H10NElectric solid-state devices not otherwise provided for12%
H01FMagnets10%
B22FWorking metallic powder6%
B30BPresses in general6%
H01LSemiconductor devices4%
H02KDynamo-electric machines4%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests4%
PatentTitleYear
10,330,916Optical-fiber scanner, illumination apparatus, and observation apparatus201910,197,797Scanner unit, optical fiber scanner, illumination apparatus, and observation apparatus201910,151,918Scanner, scanning illuminator, and scanning observation apparatus201810,067,338Optical fiber scanner, illumination device, and observation apparatus having a holding section that conducts electricity between an electrically conductive frame and a piezoelectric element201810,036,887Optical fiber scanner, illumination system, and observation apparatus20189,921,407'Fiber-optic scanner having vibration damping member and illuminating device and observation instrument having the fiber-optic scanner'20189,874,739Optical fiber scanner, illumination apparatus, and observation apparatus20189,835,851Optical fiber scanner20178,531,084'Ultrasonic motor unit'20138,446,068'Ultrasonic motor'20138,084,921'Ultrasonic motor drive apparatus'20117,791,796'Motorized table apparatus and microscope stage'20107,732,983'Ultrasonic motor'20107,635,940'Ultrasonic motor and microscope stage'20097,508,114'Ultrasonic motor'20097,449,814'Driving method for ultrasonic motor and apparatus using the same'20086,965,188'Ultrasonic-actuator driving apparatus and ultrasonic-actuator driving method'20055,402,025'Rotor provided with a ring-shaped magnet'19955,399,311'Radial anisotropic ring magnet with a sinusoidal waveform and producing method thereof'19955,342,574'Method for producing anisotropic rare earth magnet'19945,129,963'Rare earth magnet alloys with excellent hot workability'19925,122,319'Method of forming thin-walled elongated cylindrical compact for a magnet'19924,963,320'Method and apparatus for producing anisotropic rare earth magnet'1990Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1990–1995Patents assigned to DAIDO STEEL CO LTD (5)· patent assignee history
1990–1995Based in Nagoya, JP· patent location history
1992Patents assigned to GEN MOTORS CORP (1)· patent assignee history
2005–2019Patents assigned to OLYMPUS CORP (17)· patent assignee history
2005–2018Based in Hachioji, JP· patent location history
2008–2019Based in Saitama, JP· patent location history
2009Based in Tokyo, JP· patent location history
2011–2013Patents assigned to KASAI YASUAKI (3)· patent assignee history
2011Patents assigned to SAKAI NAGAHIDE (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| OLYMPUS CORP | 17 | 2005–2019 |
| DAIDO STEEL CO LTD | 5 | 1990–1995 |
| KASAI YASUAKIself | 3 | 2011–2013 |
| GEN MOTORS CORP | 1 | 1992 |
| SAKAI NAGAHIDE | 1 | 2011 |
Locations
| Location | Patents | Span |
|---|---|---|
| Saitama, JP | 14 | 2008–2019 |
| Nagoya, JP | 6 | 1990–1995 |
| Hachioji, JP | 2 | 2005–2018 |
| Tokyo, JP | 1 | 2009 |