P

Inventor

NAKAJIMA HIDEKI

JP50 patents
⚠️ This page may combine multiple inventors who share the name “NAKAJIMA HIDEKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

CATERPILLAR SARL

23 patents
US11566640B2Jan 31, 2023

Hydraulic control circuit for a construction machine

CATERPILLAR SARL7 citations85
US11585068B2Feb 21, 2023

Boom control system for a construction machine

CATERPILLAR SARL4 citations75
US12180682B2Dec 31, 2024

Hydraulic control system

CATERPILLAR SARL4 citations74
US11692332B2Jul 4, 2023

Hydraulic control system

CATERPILLAR SARL4 citations74
US11421715B2Aug 23, 2022

Hydraulic control circuit for working machine

CATERPILLAR SARL3 citations73
US11162245B2Nov 2, 2021

Stick control system in construction machine

CATERPILLAR SARL4 citations73
US11008734B2May 18, 2021

Hydraulic control circuit for construction machine

CATERPILLAR SARL3 citations73
US12123172B2Oct 22, 2024

Boom control circuit for a construction machine

CATERPILLAR SARL2 citations72
US12018459B2Jun 25, 2024

Hydraulic control system for a working machine

CATERPILLAR SARL2 citations72
US11629479B2Apr 18, 2023

Hydraulic control circuit for a construction machine

CATERPILLAR SARL3 citations72
US12410588B2Sep 9, 2025

Hydraulic control system in working machine

CATERPILLAR SARL1 citations63
US12366054B2Jul 22, 2025

Hydraulic control system in working machine

CATERPILLAR SARL1 citations63
US12345019B2Jul 1, 2025

Hydraulic control system in working machines

CATERPILLAR SARL1 citations60
US10473125B2Nov 12, 2019

Hydraulic actuator control circuit

CATERPILLAR SARL1 citations60
US12429071B2Sep 30, 2025

Pilot pressure control device

CATERPILLAR SARL0 citations57
US12565754B2Mar 3, 2026

Hydraulic control system in excavator type construction machine

CATERPILLAR SARL0 citations51
US12534882B2Jan 27, 2026

Hydraulic circuit for a construction machine

CATERPILLAR SARL0 citations51
US12428817B2Sep 30, 2025

Hydraulic circuit of a construction machinery

CATERPILLAR SARL0 citations51
US12320372B2Jun 3, 2025

Calibration system and calibration method in hydraulic system

CATERPILLAR SARL0 citations51
US12163539B2Dec 10, 2024

Valve calibration system and calibration method

CATERPILLAR SARL0 citations51
US12540634B2Feb 3, 2026

Calibration system in hydraulic system

CATERPILLAR SARL0 citations47
US12098523B2Sep 24, 2024

Hydraulic control circuit

CATERPILLAR SARL0 citations43
US12503834B2Dec 23, 2025

Relief set-pressure adjustment system

CATERPILLAR SARL0 citations41

SHIMANO INDUSTRIAL CO

11 patents

SANYO ELECTRIC CO

4 patents

CATERPILLAR INC

3 patents

SHIMANO KK

2 patents

KAWASAKI HEAVY IND LTD

2 patents

NIPPON TELEGRAPH & TELEPHONE

1 patent

ANDO ELECTRIC

1 patent

CASIO COMPUTER CO LTD

1 patent

NIPPON AND TELEGRAPH AND TELEP

1 patent

SAMSUNG ELECTRONICS CO LTD

1 patent