Inventor

Mikio Umehara

Inventor

Yonago, JP

Overview

18→

Patents

2002–2020

Patent span

Electricity

Primary field (CPC H)

Patents· 18 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

H02Kprimary

H02KDynamo-electric machines45%

B06BMethods or apparatus for generating or transmitting mechanical vibrations of infrasonic, sonic, or ultrasonic frequency, e.g. for performing mechanical work in general12%

Y10TTechnical subjects covered by former us classification12%

G01MTesting static or dynamic balance of machines or structures9%

H02PControl or regulation of electric motors, electric generators or dynamo-electric converters6%

G06FElectric digital data processing3%

H01FMagnets3%

H04MTelephonic communication3%

H05KPrinted circuits3%

LOC133%

PatentTitleYear

10,780,457Vibration generator moving vibrator by magnetic field generated by coil and vibrator-mounted holder used in vibration-generator2020 10,727,726Electronic device2020 10,715,020Vibration generating device and electronic device2020 10,432,074Vibrator unit and vibration generator2019 10,350,637Vibration generator moving vibrator by magnetic field generated by coil and vibrator-mounted holder used in vibration-generator2019 9,989,437Vibration generator moving vibrator by magnetic field generated by coil and vibrator-mounted holder used in vibration-generator2018 9,525,379'Control method for vibration generator and vibration generator'2016 8,222,783'Vibration motor holding structure and vibration motor'2012 8,137,778'Weight for vibration motor'2012 8,013,486'Vibration motor holding structure and vibration motor'2011 7,825,619'Method and apparatus for controlling stopping of vibration generating stepping motor'2010 D0619534'Vibration motor'2010 7,709,983'Vibration motor holding structure and vibration motor'2010 7,271,516'Stepping motor for generating vibration'2007 6,624,540'Packaging for automated supply of a brushless motor'2003 6,452,298'Brushless motor and its assembly method'2002 6,417,589'Flat vibrating motor and portable device having the same'2002 6,365,995'Brushless motor and its assembly method'2002

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2002–2003Patents assigned to MATSUSHITA ELECTRIC INDUSTRIAL CO LTD (4)· patent assignee history

2002–2020Based in Yonago, JP· patent location history

2002–2012Based in Tottori, JP· patent location history

2010–2012Patents assigned to MINEBEA MOTOR MFG CORP (5)· patent assignee history

2012Patents assigned to KADOWAKI DAICHI (2)· patent assignee history

2016–2020Patents assigned to MINEBEA CO LTD (5)· patent assignee history

2020Patents assigned to MINEBEA MITSUMI INC (3)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
MINEBEA CO LTD	5	2016–2020
MINEBEA MOTOR MFG CORP	5	2010–2012
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD	4	2002–2003
MINEBEA MITSUMI INC	3	2020
KADOWAKI DAICHI	2	2012

Locations

Location	Patents	Span
Yonago, JP	13	2002–2020
Tottori, JP	5	2002–2012