MK

Masao Koyama

KT Kabushiki Kaisha Toshiba: 6 patents #4,898 of 21,451Top 25%
TO Toshiba: 2 patents #606 of 2,688Top 25%
TC Toshiba Ceramics Co.: 2 patents #107 of 458Top 25%
MC Mitsui Engineering & Shipbuilding Co.: 1 patents #166 of 496Top 35%
MI Mitsui Petrochemical Industries: 1 patents #503 of 1,024Top 50%
Overall (All Time): #472,460 of 4,157,543Top 15%
11
Patents All Time

Issued Patents All Time

Showing 1–11 of 11 patents

Patent #TitleCo-InventorsDate
6332909 Processing apparatus, processing system and processing method Kouichi Teshima, Tomohiro Todoroki, Terunobu Hayata, Fuminobu Tezuka, Naohiko Oyasato +4 more 2001-12-25
6172275 Method and apparatus for pyrolytically decomposing waste plastic Masahiro Tadauchi, Yukishige Maezawa, Terunobu Hayata, Hideki Shimada, Isao Ito +5 more 2001-01-09
5245937 Method and apparatus for burning combustible solid residue from chemical plant Noriaki Nakase, Masahiro Inada, Toshiaki Masaoka, Tohoru Abiko, Kenji Takahashi 1993-09-21
4961833 Field-effect transistor-type semiconductor sensor Tadashi Sakai, Shigeki Uno, Nanao Nakamura 1990-10-09
4758325 Ion selective electrode and flow type ion sensor using the same Ken-ichi Kanno, Tetsuya Gatayama 1988-07-19
4651310 Polymeric piezoelectric ultrasonic probe Nagao Kaneko, Nanao Nakamura, Shiroh Saitoh, Hiroki Honda 1987-03-17
4624735 Constituent members of a semiconductor element-manufacturing apparatus and a reaction furnace for making said constituent members Syuitu Matuo, Chiaki Nakayama, Katsumi Hoshina 1986-11-25
4619739 Method and apparatus for measuring halogen ion concentration Ken-ichi Kanno, Tetsuya Gatayama, Junji Koezuka 1986-10-28
4424193 Constituent members of a semiconductor element-manufacturing apparatus and a reaction furnace for making said constituent members Syuitu Matuo, Chiaki Nakayama, Katsumi Hoshina 1984-01-03
4409088 Regeneration method of ion-selective electrode, and ion-selective electrode and ion-concentration analyzer containing means adapted to practice said method Ken-ichi Kanno, Tetsuya Gatayama 1983-10-11
4388166 Electrochemical measuring apparatus provided with an enzyme electrode Shuichi Suzuki, Masuo Aizawa, Yuichi Sato, Junji Koezuka 1983-06-14