Shinji Aoki

Ricoh Company: 59 patents #144 of 9,818Top 2%

DE Denso: 45 patents #53 of 11,792Top 1%

TK Toshiba Tec Kabushiki Kaisha: 19 patents #146 of 1,664Top 9%

KT Kabushiki Kaisha Toshiba: 14 patents #2,131 of 21,451Top 10%

SO Sony: 11 patents #4,043 of 25,231Top 20%

TC Thk Co.: 11 patents #23 of 450Top 6%

EB Ebara: 10 patents #224 of 1,611Top 15%

SC Shin-Etsu Chemical Co.: 9 patents #445 of 2,176Top 25%

IC Idemitsu Kosan Co.: 8 patents #189 of 1,237Top 20%

Honda Motor Co.: 8 patents #2,726 of 21,052Top 15%

TI Toyota Industries: 5 patents #904 of 1,610Top 60%

Fujitsu Limited: 5 patents #6,029 of 24,456Top 25%

IN Intematix: 3 patents #23 of 65Top 40%

TO Toyota: 3 patents #8,352 of 26,838Top 35%

Bridgestone: 2 patents #1,066 of 2,860Top 40%

NC Nippondenso Co.: 2 patents #1,150 of 3,479Top 35%

TC Ts Tech Co.: 2 patents #244 of 561Top 45%

TF The Japan Iron And Steel Federation: 1 patents #5 of 27Top 20%

NS Nippon Soken: 1 patents #783 of 1,540Top 55%

MC Mitsui Mining & Smelting Co.: 1 patents #444 of 838Top 55%

HK Honda Giken Kabushiki Kaisha: 1 patents #5 of 184Top 3%

JI Japan Atomic Energy Research Institute: 1 patents #188 of 609Top 35%

HK Honda Giken Koygo: 1 patents #31 of 356Top 9%

TC Taisho Pharmaceutical Co.: 1 patents #275 of 557Top 50%

📍 Annaka City, CA: #1 of 6 inventorsTop 20%

Overall (All Time): #3,279 of 4,157,543Top 1%

202

Patents All Time

Issued Patents All Time

Showing 201–202 of 202 patents

Patent #	Title	Co-Inventors	Date
4294674	Method of treating waste gas by irradiation	Keita Kawamura, Hitoshi Kimura, Tsutomu Katayama, Chikara Kaido, Hiroshi Yoshida	1981-10-13
4283937	Method of detecting broken window foil of apparatus for treating waste gas with irradiation	Keita Kawamura, Tsutomu Higo, Hitoshi Kimura, Yasuhiro Sawada, Tsutomu Katayama +1 more	1981-08-18