TO

Takafumi Oshima

Ngk Spark Plug Co.: 60 patents #3 of 1,594Top 1%
NC Nhk Spring Co.: 5 patents #150 of 1,116Top 15%
NA New Tokyo International Airport Authority: 1 patents #6 of 12Top 50%
TO Toto: 1 patents #620 of 1,113Top 60%
📍 Yokohama, JP: #138 of 480 inventorsTop 30%
Overall (All Time): #31,507 of 4,157,543Top 1%
67
Patents All Time

Issued Patents All Time

Showing 26–50 of 67 patents

Patent #TitleCo-InventorsDate
6554984 Method of manufacturing a gas sensor Ryuji Inoue, Shoji Kitanoya, Kenji Kato, Tomohiro Fuma 2003-04-29
6533911 Device for measuring combustible-gas concentration in an exhaust gas Hiroki Fujita, Shoji Kitanoya, Kenji Kato, Tomohiro Fuma, Ryuji Inoue 2003-03-18
6526822 Flow rate and flow velocity measurement device Shunsuke Maeda, Yoshihiko Kohmura, Takio Kojima, Yasuhisa Kuzuya, Masanori Suda 2003-03-04
6478339 Displacement absorbing piping joint Yoichi Abe, Shoichi Kameta, Katsuhiko Hagiwara, Shunji Kawabata 2002-11-12
6474177 Flow measurement device for measuring flow rate and flow velocity Shunsuke Maeda, Yoshihiko Kohmura, Takio Kojima, Yasuhisa Kuzuya, Masanori Suda 2002-11-05
6474154 Flow measurement device for measuring flow rate and flow velocity Yoshihiko Kohmura, Shunsuke Maeda, Takio Kojima, Yasuhisa Kuzuya, Masanori Suda 2002-11-05
6418782 Gas concentration sensor Yoshikuni Sato, Noboru Ishida, Hideki Ishikawa, Yasushi Sato 2002-07-16
6375828 Methods and apparatus for measuring NOx gas concentration, for detecting exhaust gas concentration and for calibrating and controlling gas sensor Masashi Ando, Noboru Ishida, Satoshi Sugaya, Norihiko Nadanami, Takaki Otsuka +3 more 2002-04-23
6344134 Method for measuring NOx concentration and NOx concentration sensor Tessho Yamada, Noboru Ishida, Toshitaka Matsuura, Yoshiro Noda, Nobuhiro Hayakawa +4 more 2002-02-05
6338783 Gas sensor, method of manufacturing the same, and gas sensor system using the gas sensor Ryuji Inoue, Shoji Kitanoya, Tomohiro Fuma, Kenji Kato 2002-01-15
6337009 Gas sensor Norihiko Nadanami, Hiroki Fujita, Ryuji Inoue 2002-01-08
6337006 Lanthanum gallate sintered body Hiroki Fujita, Ryuji Inoue 2002-01-08
6325906 Gas sensor and apparatus for measuring combustible gas component concentration using the same Shoji Kitanoya, Tomohiro Fuma, Kenji Kato, Ryuji Inoue 2001-12-04
6308572 Gas concentration sensor Hideki Ishikawa, Yoshikuni Sato, Keigo Banno, Noboru Ishida 2001-10-30
6303012 Gas sensor, gas sensor system using the same Ryuji Inoue, Shoji Kitanoya, Kenji Kato, Tomohiro Fuma 2001-10-16
6224727 NOx sensor Shigeru Miyata, Masashi Ando, Hiroshi Inagaki, Noboru Ishida 2001-05-01
6214208 Method and apparatus for measuring NOx gas concentration Masashi Ando, Noboru Ishida, Satoshi Sugaya, Norihiko Nadanami, Takaki Ootuka +2 more 2001-04-10
6153072 Gas sensor, gas sensor system using the same, and method of manufacturing a gas sensor Ryuji Inoue, Shoji Kitanoya, Kenji Kato, Tomohiro Fuma 2000-11-28
6136170 Exhaust gas sensor and system thereof Ryuji Inoue, Tomohiro Fuma, Shoji Kitanoya, Yumi Mizutani, Masahito Kida +1 more 2000-10-24
6084354 Vehicle-lamp lighting-on device Yoshihiko Kohmura, Toshiharu Ito, Noriyasu Sugimoto, Minoru Yasuda 2000-07-04
6071393 Nitrogen oxide concentration sensor Masashi Ando, Noboru Ishida, Satoshi Sugaya, Norihiko Nadanami 2000-06-06
5993625 Exhaust gas sensor Ryuji Inoue, Yumi Kuroki, Tomohiro Fuma, Shoji Kitanoya, Satoshi Sugaya 1999-11-30
5989624 Method for manufacturing electrode Masahito Kida, Ryuji Inoue 1999-11-23
5959521 High-voltage transformer and a vehicle-lamp lighting-on device using the same Yoshihiko Kohmura, Noriyasu Sugimoto, Minoru Yasuda 1999-09-28
5959407 Vehicle lighting drive apparatus Toshiharu Ito, Yoshihiko Komura, Minoru Yasuda, Noriyasu Sugimoto, Toshinori Iida 1999-09-28