P

Inventor

MURAI TAKAYUKI

JP55 patents
⚠️ This page may combine multiple inventors who share the name “MURAI TAKAYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SHIKOKU CHEM

13 patents
US5173130ADec 22, 1992

Process for surface treatment of copper and copper alloy

SHIKOKU CHEM82 citations95
US5560785AOct 1, 1996

Method for forming a protective chemical layer on copper and copper alloy surfaces

SHIKOKU CHEM31 citations90
US5498301AMar 12, 1996

Agent for treating surfaces of copper and copper alloys

SHIKOKU CHEM38 citations90
US9688704B2Jun 27, 2017

Azole silane compound, surface treatment solution, surface treatment method, and use thereof

SHIKOKU CHEM6 citations70
US4826991AMay 2, 1989

Production of 1-aminoethyl-imidazoles via the hydrolysis of 1-acylaminoethylimidazoles

SHIKOKU CHEM6 citations70
US7754105B2Jul 13, 2010

Water-soluble preflux and usage of the same

SHIKOKU CHEM3 citations61
US4983485AJan 8, 1991

Positively chargeable toner

SHIKOKU CHEM3 citations61
US11680076B2Jun 20, 2023

Triazole silane compound, method for synthesizing said compound and use thereof

SHIKOKU CHEM0 citations57
US11472823B2Oct 18, 2022

Tetrazole silane compound, method for synthesizing said compound and use thereof

SHIKOKU CHEM0 citations56
US11014946B2May 25, 2021

Tetrazole silane compound, method for synthesizing said compound and use thereof

SHIKOKU CHEM1 citations56
US10398028B2Aug 27, 2019

Surface treating composition for copper and copper alloy and utilization thereof

SHIKOKU CHEM0 citations51
US8378116B2Feb 19, 2013

Phenylnaphthylimidazole compound and usage of the same

SHIKOKU CHEM0 citations51
US5514811AMay 7, 1996

Process for synthesizing 4-halo-5-(hydroxymethyl) imidazole compounds

SHIKOKU CHEM0 citations43

SMC CORP

12 patents

FUJIWARA KOHJI

5 patents

MURAI TAKAYUKI

4 patents

YAMAHA MOTOR CO LTD

3 patents

SHARP KK

3 patents

HIRAO HIROHIKO

2 patents

SMC KK

1 patent

ICHIOKA HIDEKI

1 patent

MUROI TAKAO

1 patent

SEIKO EPSON CORP

1 patent

SHARP DISPLAY TECHNOLOGY CORP

1 patent

PANASONIC CORP

1 patent

NEC CORP

1 patent

NIPPON STEEL CORP

1 patent

Showing the top 50 of 55 patents by PatentIndex Score.