P

Inventor

MARUYAMA TSUNEO

JP33 patents
⚠️ This page may combine multiple inventors who share the name “MARUYAMA TSUNEO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

DIAMET CORP

15 patents
US8360648B2Jan 29, 2013

Oil-impregnated sintered bearing and method of producing the same

DIAMET CORP10 citations83
US11446737B2Sep 20, 2022

Molding die and molding method

DIAMET CORP2 citations71
US11648611B2May 16, 2023

Sintered oil-impregnated bearing

DIAMET CORP0 citations62
US11441608B2Sep 13, 2022

Sintered bearing for motor-type fuel pump and production method therefor

DIAMET CORP0 citations62
US11353063B2Jun 7, 2022

Sintered bearing

DIAMET CORP0 citations62
US7677127B2Mar 16, 2010

Rotation transmission member, rotation transmission assembly, and gear mechanism

DIAMET CORP2 citations62
US12109745B2Oct 8, 2024

Insert sintered part and manufacturing method for same

DIAMET CORP0 citations60
US11999088B2Jun 4, 2024

Insert sintered part and manufacturing method for same

DIAMET CORP0 citations60
US12296390B2May 13, 2025

Insert bearing and manufacturing method thereof, sintered bearing suitable for insert bearing, sintered insert component and manufacturing method thereof, and sintered component suitable for sintered insert component

DIAMET CORP0 citations50
US11498127B2Nov 15, 2022

Device and method for manufacturing multilayer molded article

DIAMET CORP0 citations50
US10745780B2Aug 18, 2020

Cu-based sintered bearing and production method for Cu-based sintered bearing

DIAMET CORP0 citations50
US10654104B2May 19, 2020

Sintered bearing

DIAMET CORP0 citations50
US9849511B2Dec 26, 2017

Method of producing a Cu-based sintered sliding member

DIAMET CORP0 citations50
US11248654B2Feb 15, 2022

Oil impregnated sintered bearing and production method thereof

DIAMET CORP0 citations46
US10843264B2Nov 24, 2020

Molding die and molding method

DIAMET CORP0 citations40

SHIMIZU TERUO

5 patents

TORAY SILICONE CO

3 patents

MITSUBISHI MATERIALS CORP

3 patents

ISHII YOSHINARI

2 patents

MITSUBISHI MATERIALS PMG CORP

1 patent

MITSUI MINING & SMELTING CO

1 patent

DENSO CORP

1 patent

ASMO CO LTD

1 patent

MARUYAMA TSUNEO

1 patent