Inventor
Tadao Yamaguchi
Inventor
Isesaki, JP
Overview
Patents· 43 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H02Kprimary
H02KDynamo-electric machines56%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests11%
G01NInvestigating or analysing materials by determining their chemical or physical properties6%
A61BDiagnosis3%
B06BMethods or apparatus for generating or transmitting mechanical vibrations of infrasonic, sonic, or ultrasonic frequency, e.g. for performing mechanical work in general3%
G08BSignalling systems, e.g. personal calling systems3%
G11BInformation storage based on relative movement between record carrier and transducer3%
H01RElectrically-conductive connections3%
H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers3%
B01LChemical or physical laboratory apparatus for general use2%
PatentTitleYear
9,351,676'Electrochemical sensor, lancet, and bodily fluid measuring apparatus'20167,800,274'Thin stator, eccentric motor and axial air-gap brushless vibration motor equipped with the same'20107,626,295'Flat eccentric rotor equipped with a fan and flat vibration motor equipped with a fan comprising same rotor'20097,598,638'Stator and axial-gap brushless vibration motor incorporating the stator'20097,548,002'Axial air-gap rotor and axial air-gap coreless motor equipped with the same'20097,132,770'Axial-air-gap brushless vibration motor containing drive circuit'20067,088,022'Axial air-gap vibration motor'20067,049,721'Eccentric rotor and a vibrating motor using the same'20066,998,742'Axial-air-gap brushless vibration motor containing drive circuit'20066,841,905'Low-profile, coreless motor'20056,762,518'Flat core brushless motor'20046,717,304'Magnetic assembly structure used for compact electric apparatus and compact electric apparatus adopting the magnetic assembly structure'20046,713,911'Disc-shaped eccentric rotor and flat type vibrator motor having the rotor'20046,674,202'Eccentric commutator for vibrator motor'2004RE038347'Flat coreless vibrator motor having no output shaft'20036,630,759'Eccentric rotor and vibrator motor incorporating the rotor'20036,617,724'Non-circular, flat motor'20036,566,772'Axial directional gap type eccentric rotor having stop position maintaining unit and flat coreless vibration motor using the rotor'20036,541,891'Rotor having printed wiring commutator member and flat motor having the rotor'20036,525,441'Spindle motor having disc mounting portion'20036,512,315'Brushless motor having turntable'20036,507,136'Eccentric commutator for vibrator motor'20036,495,939'Coreless motor having tubular housing with end mounting portions'20026,492,899'Electromagnetic converter having superior anti-shock property'20026,486,519'Semiconductor memory device with reduce coupling capacitance'20026,420,805'Brushless motor having transfer device'20026,384,498'Compact vibration motor'20026,384,499'Eccentric rotor and compact vibrator motor including the eccentric rotor'20026,380,651'Brushless motor having resin bearing'20026,359,364'Brush apparatus of small motor and method for manufacturing the same'20026,326,711'DC brushless motor having eccentric rotor'20016,291,915'Eccentric rotor for a compact vibrator motor and the compact vibrator motor incorporating the eccentric rotor'20016,246,143'Flat coreless vibrator motor using magnetic latching power'20016,051,900'Flat coreless vibrator motor having no output shaft'20006,011,333'Vibrator motor having nonmagnetic armature cores'20005,942,833'Flat coreless vibrator motor'19995,764,356'Trace liquid detecting and analyzing device'19985,717,494'Method of optically measuring liquid in porous material'19985,681,529'Biological fluid analyzing device'19975,373,207'Brushless vibrator motor for a wireless silent alerting device'19945,341,057'Vibrator motor for a wireless silent alerting device'19945,107,155'Vibrator motor for wireless silent alerting device'19925,036,239'Flat coreless vibrator motor'1991Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1991–2010Based in Isesaki, JP· patent location history
1992–2010Patents assigned to TOKYO PARTS KOGYO KK (37)· patent assignee history
1997–1998Patents assigned to NIHON MEDIPHYSICS CO LTD (3)· patent assignee history
1997–1998Based in Sanda, JP· patent location history
1998Patents assigned to TERAMECS CO LTD (2)· patent assignee history
2003–2004Based in Gunma, JP· patent location history
2005Based in Isezaki, JP· patent location history
2016Patents assigned to ARKRAY INC (1)· patent assignee history
2016Patents assigned to MATSUURA YOSHIMITSU (1)· patent assignee history
2016Based in Kyoto, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| TOKYO PARTS KOGYO KK | 37 | 1992–2010 |
| NIHON MEDIPHYSICS CO LTD | 3 | 1997–1998 |
| TERAMECS CO LTD | 2 | 1998 |
| ARKRAY INC | 1 | 2016 |
| MATSUURA YOSHIMITSU | 1 | 2016 |
Locations
| Location | Patents | Span |
|---|---|---|
| Isesaki, JP | 35 | 1991–2010 |
| Sanda, JP | 3 | 1997–1998 |
| Gunma, JP | 2 | 2003–2004 |
| Kyoto, JP | 1 | 2016 |
| Isezaki, JP | 1 | 2005 |