SN

Shigeki Nakayama

TO Toyota: 3 patents #357 of 3,831Top 10%
MC Mitsui Mining & Smelting Co.: 1 patents #26 of 73Top 40%
Overall (2019): #43,986 of 560,194Top 8%
4
Patents 2019

Issued Patents 2019

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
10518323 Copper power and method for producing same Yoichi Kamikoriyama 2019-12-31
10337376 Exhaust gas purification system for an internal combustion engine Akira Mikami, Keishi Takada, Nobumoto Ohashi, Junichi Matsuo 2019-07-02
10323558 Exhaust gas purification apparatus for internal combustion engine Masaaki Sato 2019-06-18
10316776 Control apparatus for an internal combustion engine Hiroshi Kobayashi, Kazuhiro Umemoto, Toshihiro Mori 2019-06-11