P

Inventor

NAGASHIMA SHINGO

JP10 patents
⚠️ This page may combine multiple inventors who share the name “NAGASHIMA SHINGO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

KAWASAKI STEEL CO

3 patents
US6109305AAug 29, 2000

Double walled pipe, jacking method and pipe end structure of leading pipe

KAWASAKI STEEL CO8 citations71
US5615976AApr 1, 1997

Double walled pipe, jacking method and pipe end structure of leading pipe

KAWASAKI STEEL CO10 citations71
US6004073ADec 21, 1999

Double walled pipe, jacking method and pipe end structure of leading pipe

KAWASAKI STEEL CO0 citations50

TOKYO GAS CO LTD

2 patents
US5333501AAug 2, 1994

Abnormality monitoring apparatus for a pipeline

TOKYO GAS CO LTD100 citations91
US5501548AMar 26, 1996

Method for controlling the direction of a shield tunneling machine and an apparatus therefor

TOKYO GAS CO LTD38 citations89

KYORAKU CO LTD

2 patents
US12415308B2Sep 16, 2025

Structural body manufacturing method and panel

KYORAKU CO LTD0 citations48
US12109736B2Oct 8, 2024

Molded article manufacturing method

KYORAKU CO LTD0 citations46

ISEKI KAIHATSU KOKI

1 patent
US5527135AJun 18, 1996

Method for injecting lubricant or back-filling material into a space between the outside of double-wall pipes and the ground in the pipe-jacking method and an apparatus therefor

ISEKI KAIHATSU KOKI30 citations89

TANJI TADATOSHI

1 patent
US8562898B2Oct 22, 2013

Method for forming resin molded articles

TANJI TADATOSHI3 citations56

TOKAI RIKA CO LTD

1 patent
US11255427B2Feb 22, 2022

Shift device

TOKAI RIKA CO LTD0 citations55