Inventor

SEKIYA FUKUO

JP53 patents

⚠️ This page may combine multiple inventors who share the name “SEKIYA FUKUO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SEKIYA FUKUO

CITIZEN WATCH CO LTD

Portable miniature type information treating device

Drive circuit for matrix display device

Row conductor scanning drive circuit for matrix display panel

Driver circuit for electrochromic display device

Driver circuit for electrochromic display device

Booster circuits

Electronic device for monitoring power consumption of an electro-optical display

Frequency division system

Electronic timepiece

Electronic timepiece

Driver circuit for matrix type display device

Liquid crystal matrix display panel drive method

Analog display electronic timepiece with multi-mode display capability

Electronic timepiece

Electronic timepiece

Electronic timepiece

Electronic timepiece

Electronic alarm timepiece

Portable electronic device equipped with calculation and timekeeping functions

Electronic timepiece

Time correction system for an electronic timepiece

Portable timepiece calculator with power savings feature

Transistor circuit having a plurality of CMOS circuits

Data transfer circuit

Input circuit for portable electronic devices

Electronic timepiece with calendar function

Miniature type electronic device

Electronic timepiece with an electrochromic display

Electronic timepiece

Driver circuit for driving electrochromic display device

Electronic timepiece

Temperature sensing circuit

Non-volatile memory circuit for portable electronic devices

Driving circuit for liquid-crystal display

Electronic timepiece

System for signalling the termination of the lifetime of a battery for electronic timepieces

Electronic timepiece having an analog display device and a digital display device

Portable electronic device

Portable electronic device equipped with timekeeping and calculation functions

Zero suppressing system for electronic device

Digital display timepiece

Electronic device for detecting the energized state of a liquid crystal display cell

Solid state binary logic signal source for electronic timepiece or the like

Electronic timepiece having improved primary frequency divider response characteristics

Driver circuit for electrochromic display device

Driver circuit for electrochromic display device

Method and apparatus for driving electrochromic display device

Electronic timepiece

Electronic timepiece

MOROKAWA SHIGERU

Solid state binary logic signal source for electronic timepiece or the like