Inventor
Yukio Toyozawa
Inventor
Yamanashi, JP
Overview
Patents· 38 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G05Bprimary
G05BControl or regulating systems in general51%
H02PControl or regulation of electric motors, electric generators or dynamo-electric converters24%
G01DMeasuring not specially adapted for a specific variable4%
H03MCoding4%
B21DWorking or processing of sheet metal or metal tubes, rods or profiles without essentially removing material2%
B23FMaking gears or toothed racks2%
B23QDetails, components, or accessories for machine tools, e.g. arrangements for copying or controlling2%
F16FSprings2%
G02BOptical elements, systems or apparatus2%
G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices2%
PatentTitleYear
11,003,168Controller for gear cutting machine202110,166,642Drive apparatus comprising mechanical vibration suppression function, and system comprising mechanical vibration suppression function20199,720,225'Processing system with galvano scanner capable of high speed laser scanning'20179,709,975'Control system of servo motors improving processing precision of plurality of axes'20179,331,618'Magnetic pole position detector for synchronous motor'20169,008,821'Servo control system capable of improving processing accuracy'20158,903,518'Motor control apparatus equipped with dead-zone processing unit'20148,872,463'Electric motor controller comprising function for simultaneously estimating inertia, friction, and spring'20148,669,727'Detection device for detecting magnetic pole position of synchronous motor, and control apparatus equipped therewith'20148,436,565'Motor controller for tandem control'20138,305,016'Control device with learning function for electric motors'20128,232,758'Controller of electric motor having function of estimating inertia and friction simultaneously'20128,098,038'Servomotor control system enabling high-speed oscillating motion to be highly precise'20128,067,918'Servomotor controller for controlling periodic reciprocation'20117,932,689'Motor drive system for driving motor provided with a plurality of windings'20117,915,848'Servo control apparatus that performs dual-position feedback control'20117,902,780'Inertia estimating controller and control system'20117,808,199'Control apparatus'20107,656,106'Servo controller'20107,498,761'Motor control method and motor control apparatus'20097,479,750'Controller for electric motor'20097,293,447'Control device for die cushion mechanism'20077,215,089'Threading/tapping control apparatus'20077,205,743'Controller for machine effecting end'20077,187,148'Controller'20077,170,283'Device for detecting a position of a magnetic pole'20077,071,651'Position-of-magnetic-pole detecting device and method'20066,903,527'Servo controller'20056,859,007'Servo motor drive control device'20056,823,235'Controller for machining gears'20046,534,944'Servo controller'20036,445,154'Method for detecting synchronous motor rotor magnetic pole position'20025,963,007'Current control method for an AC servomotor'19995,646,495'Tandem control method based on a digital servomechanism'19975,572,018'Method and apparatus to detect absolute position using encoder having a counter clear signal'19964,794,628'Counter circuit with mislatching prevention'19884,623,831'Rotor position sensing apparatus for motors'19864,521,724'Apparatus for processing energy regenerated by an AC motor'1985Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1985–2013Patents assigned to FANUC LTD (29)· patent assignee history
1985–1986Based in Hachioji, JP· patent location history
1988–2010Based in Kumamoto, JP· patent location history
1996–2007Based in Kikuchi-gun, JP· patent location history
2010–2021Based in Yamanashi, JP· patent location history
2011–2015Patents assigned to TOYOZAWA YUKIO (9)· patent assignee history
2011–2015Patents assigned to SONODA NAOTO (7)· patent assignee history
2011–2015Patents assigned to OKITA TADASHI (6)· patent assignee history
2011–2015Based in Minamitsuru-gun, JP· patent location history
2014–2021Patents assigned to FANUC CORP (9)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| FANUC LTD | 29 | 1985–2013 |
| FANUC CORP | 9 | 2014–2021 |
| TOYOZAWA YUKIOself | 9 | 2011–2015 |
| SONODA NAOTO | 7 | 2011–2015 |
| OKITA TADASHI | 6 | 2011–2015 |
Locations
| Location | Patents | Span |
|---|---|---|
| Yamanashi, JP | 10 | 2010–2021 |
| Kumamoto, JP | 10 | 1988–2010 |
| Minamitsuru-gun, JP | 7 | 2011–2015 |
| Kikuchi-gun, JP | 6 | 1996–2007 |
| Hachioji, JP | 2 | 1985–1986 |