TM

Tatsuhiko MURAOKA

Ngk Spark Plug Co.: 5 patents #370 of 1,594Top 25%
Overall (All Time): #972,118 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
10633289 Method for manufacturing gas sensor element Yuri Saito, Masaki Nakagawa 2020-04-28
9753020 Gas sensor element, gas sensor, and method of manufacturing gas sensor element Toru Iwano, Masaki Onkawa, Shun Sakuma, Shigehiro OHTSUKA, Masaki Mizutani 2017-09-05
9694387 Gas sensor element, gas sensor, and method of manufacturing gas sensor element Masaki Onkawa, Shun Sakuma, Toru Iwano, Shigehiro OHTSUKA, Masaki Mizutani 2017-07-04
9476863 Gas sensor with porous protection layers Shun Sakuma, Masaki Onkawa, Toru Iwano, Shigehiro OHTSUKA, Masaki Mizutani 2016-10-25
8287706 Laminated gas sensor element, gas sensor equipped with laminated gas sensor element, and method for manufacturing laminated gas sensor element Masaki Mizutani 2012-10-16