Inventor

Masatoshi Yamai

Inventor

Hsinchu County, TW

Overview

6→

Patents

2009–2021

Patent span

Physics

Primary field (CPC G)

Patents· 6 as inventor

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

G06Fprimary

G06FElectric digital data processing20%

G01DMeasuring not specially adapted for a specific variable13%

G01RMeasuring electric variables13%

G04BMechanically-driven clocks or watches13%

G04CElectromechanical clocks or watches13%

B65HHandling thin or filamentary material, e.g. sheets, webs, cables7%

G01JMeasurement of intensity, velocity, spectral content, polarisation, phase or pulse characteristics of infrared, visible or ultraviolet light7%

G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein7%

G09GArrangements or circuits for control of indicating devices using static means to present variable information7%

PatentTitleYear

10,907,993Gear detection circuit and wrist watch2021 10,527,460Gear position detection device, wrist watch and operating method thereof2020 9,996,169Capacitive joystick device2018 7,742,033'Backlight control system for small size display, LCD panel therefor, and method for making backlight control system'2010 7,684,029'Method and apparatus for identifying a sensed light environment'2010 7,490,828'Image-based edge detection of stacked sheet media'2009

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2009–2010Patents assigned to AVAGO TECH ECBU IP SG PTE LTD (2)· patent assignee history

2009–2010Based in Tokyo, JP· patent location history

2010Patents assigned to AVAGO TECHNOLOGIES GENERAL IP (1)· patent assignee history

2010Based in Musashino, JP· patent location history

2018–2021Patents assigned to PIXART IMAGING INC (3)· patent assignee history

2018–2021Based in Hsinchu County, TW· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
PIXART IMAGING INC	3	2018–2021
AVAGO TECH ECBU IP SG PTE LTD	2	2009–2010
AVAGO TECHNOLOGIES GENERAL IP	1	2010

Locations

Location	Patents	Span
Hsinchu County, TW	3	2018–2021
Tokyo, JP	2	2009–2010
Musashino, JP	1	2010