Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
SK

Sumio Kamiya

Toyota: 23 patents #895 of 26,838Top 4%
NCNakagawa Sangyo Co.: 4 patents #4 of 16Top 25%
TCTokyo Diamond Tools Mfg. Co.: 1 patents #3 of 14Top 25%
Overall (All Time): #183,620 of 4,157,543Top 5%
23 Patents All Time

Issued Patents All Time

Showing 1–23 of 23 patents

Patent #TitleCo-InventorsDate
10641560 Ceramic member and joint structure of metal members Rentaro Mori, Hitoshi Ishii 2020-05-05
9845714 Electrically-heated catalytic converter Rentaro Mori 2017-12-19
9789467 Composite material, electrode film and method for producing the same, electrode terminal and method for producing the same, substrate and method for producing the same, and bonding material and method for producing substrate by bonding split parts together with bonding material Rentaro Mori, Yukihiro Kato, Susumu Sarai 2017-10-17
9528961 Exhaust gas sensor Tomohiro Miwa, Hirotaka Sakakibara, Tomoaki Shinma 2016-12-27
9297779 Exhaust gas sensor Tomohiro Miwa, Hirotaka Sakakibara, Tomoaki Shinma 2016-03-29
9193604 Fine particle composite, method for producing the same, catalyst used for solid polymer fuel cell, and solid polymer fuel cell Tatsuo Shou, Yukinobu Kato, Noboru Otake, Harumi Kimura, Kazumichi Yanagisawa +2 more 2015-11-24
8999877 Single-crystal fine powder of sulfide or sulfide complex and method for preparing the same Tatsuo Shou, Yukinobu Kato, Noboru Otake, Kazumichi Yanagisawa, Wuxing Zhang 2015-04-07
8501643 Method for manufacturing basalt fiber Hironori Sasaki, Noriaki Nakagawa 2013-08-06
8460526 Gas sensor and process for producing the same Takashi Ito 2013-06-11
8377159 Synthetic grinding stone Yuji Yoshida, Hiroshi Eda, Libo Zhou, Masaaki Kenmochi, Yoshiaki Tashiro +3 more 2013-02-19
8197713 Fluorescent powder, process for producing the same, and light emitting device, display device, and fluorescent lamp containing fluorescent powder Masaru Ishii, Satoko Inuzuka, Kazumichi Yanagisawa, Wuxing Zhang 2012-06-12
8058197 Carbon composite materials comprising particles of metal carbides dispersed therein and method for producing the same Shigeru Ichikawa, Koji Yamada, Hironori Sasaki 2011-11-15
8037719 Method for manufacturing basalt fiber Hironori Sasaki, Noriaki Nakagawa 2011-10-18
7997953 Precision machining method Hisao Iwase, Tetsuya Nagaike, Hiroshi Eda, Libo Zhou 2011-08-16
7950981 Precision machining apparatus and precision machining method Hisao Iwase, Tetsuya Nagaike, Hiroshi Eda, Libo Zhou 2011-05-31
7896129 Sub-muffler Kazutoshi Wakatsuki, Hironori Sasaki, Noriaki Nakagawa 2011-03-01
7824782 Molded article located in the beam path of radar device, and method of manufacturing the same Itsuo Kamiya, Izumi Takahashi 2010-11-02
7767603 Basalt fiber material Isao Tanaka, Kazumi Imamura, Hironori Sasaki, Noriaki Nakagawa 2010-08-03
7247081 Precision machining apparatus and precision machining method Hisao Iwase, Tetsuya Nagaike, Hiroshi Eda, Libo Zhou 2007-07-24
7160175 Attitude control device and precision machining apparatus Hisao Iwase, Tetsuya Nagaike, Hiroshi Eda, Libo Zhou 2007-01-09
6213104 Method and a device for supplying fuel to an internal combustion engine Mamoru Ishikiriyama, Makoto Hiei, Nobuaki Takazawa, Yasushi Takahashi, Syozi Miyazaki 2001-04-10
6073537 Roller bush for fuel injection pump Katsutoshi Noda, Tatsuya Ichikawa 2000-06-13
5962152 Ceramic heat insulating layer and process for forming same Masateru Nakamura 1999-10-05