SO

Shigehiro OHTSUKA

Ngk Spark Plug Co.: 5 patents #370 of 1,594Top 25%
Overall (All Time): #981,952 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
10352893 Gas sensor control apparatus Keisuke NAKAGAWA, Hisashi KOZUKA, Kazuma Ito, Ippei Kato 2019-07-16
10012612 Gas sensor element and gas sensor Tomohiro Nishi, Keisuke NAKAGAWA, Kazuma Ito, Ippei Kato 2018-07-03
9753020 Gas sensor element, gas sensor, and method of manufacturing gas sensor element Toru Iwano, Masaki Onkawa, Tatsuhiko MURAOKA, Shun Sakuma, Masaki Mizutani 2017-09-05
9694387 Gas sensor element, gas sensor, and method of manufacturing gas sensor element Masaki Onkawa, Shun Sakuma, Toru Iwano, Tatsuhiko MURAOKA, Masaki Mizutani 2017-07-04
9476863 Gas sensor with porous protection layers Shun Sakuma, Masaki Onkawa, Toru Iwano, Tatsuhiko MURAOKA, Masaki Mizutani 2016-10-25