Inventor

TSUTSUMI KOJI

JP30 patents

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

TSUTSUMI KOJI

MITSUBISHI ELECTRIC CORP

PLL circuit

PLL circuit

Polyphase filter and filter circuit

Variable frequency divider

Radar device, control circuit of radar device, and storage medium of radar device

Signal generating circuit

Variable gain amplifier

Variable gain amplifier

Filter circuit

Phase shifter and antenna device

Phase-variable frequency multiplier and antenna device

Delay synchronization circuit, clock transmission circuit, and clock transmission and reception circuit

Lock detection circuit and phase-locked loop circuit

Phase-locked loop circuit

PLL circuit

Current amplifier

Phase synchronization device

PLL circuit

Phase shift precision calibration circuitry, vector sum phase shifter, and wireless communication device

Active balun circuit and transformer

NABCO LTD

Object sensor system for automatic swing door

Object sensor system for doors

Automatic door opening and closing system

DENSO CORP

Detection of fuel property based on change in rotational speed of engine

Internal combustion engine control device and internal combustion engine control system

DAIICHI JITSUGYO VISWILL CO LT

Conveying equipment and inspection device

Sorting apparatus, sorting method and alignment apparatus

(unassigned)

Door sensor with self-diagnosing function

TSUTSUMI KOJI

Fuel property sensing device

KANEBO LTD

Conveying apparatus, inspecting apparatus and aligningly and supplying apparatus