TH

Toshiaki Hayasaka

IC Idemitsu Kosan Co.: 3 patents #409 of 1,237Top 35%
TW Tamura Electric Works: 2 patents #15 of 88Top 20%
Nissan Motor Co.: 1 patents #4,519 of 8,689Top 55%
Ricoh Company: 1 patents #6,936 of 9,818Top 75%
Overall (All Time): #766,072 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
5422333 Exhaust gas purifying catalyst Yasuhide Kano, Yoshimi Kawashima, Hiroshi Akama 1995-06-06
5312608 Exhaust gas purifying catalyst and an exhaust gas purifying method using the catalyst Takuma Kimura 1994-05-17
5238890 Exhaust gas purifying catalyst and an exhaust gas purifying method using the catalyst Takuma Kimura 1993-08-24
4965871 Continuous plural page copying method for a copier Masaaki Ogura, Kiyotaka Ohta, Junji Kurokawa, Masaji Ito 1990-10-23
4673693 Process for preparing oxygen-containing organic compounds Soichi Uchiyama, Yasuo Ohbayashi 1987-06-16
4612418 Method for controlling task process and device thereof Yoshiaki Takeda, Takashi Oyamada, Osamu Kai, Toshimichi Kubota 1986-09-16
4246445 System for controlling the transmission of specific dial numbers Yoshio Shinoda, Masatoshi Terasawa 1981-01-20