MM

Masaru Matsubara

Ngk Spark Plug Co.: 5 patents #370 of 1,594Top 25%
AI Aisin: 1 patents #310 of 1,000Top 35%
Overall (All Time): #598,490 of 4,157,543Top 15%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
12247657 Shift device and vehicle electronic control unit Motofumi Miyake, Kazunori Takagi 2025-03-11
6339295 Light source lighting device and method 2002-01-15
6313054 Silicon nitride sintered body, method for manufacturing the same, and cutting insert formed of the sintered body 2001-11-06
6277486 Cermet tool 2001-08-21
6235382 Cermet tool and process for producing the same 2001-05-22
6162386 Method for manufacturing silicon nitride sintered body 2000-12-19
6010777 Titanium carbo-nitride complex silicon nitride tool Shinya Ogimoto, Hideki Kato, Yasuhiro Ninomiya, Kazuhiro Shintani 2000-01-04
5921725 Sintered silicon nitride articles for tools and method of preparation Tetsuya Kashiwagi 1999-07-13