TM

Tsuneo Maruyama

DI Diamet: 25 patents #1 of 33Top 4%
MM Mitsubishi Materials: 4 patents #258 of 1,543Top 20%
TC Toray Silicone Co.: 3 patents #33 of 116Top 30%
DE Denso: 2 patents #4,986 of 11,792Top 45%
AC Asmo Co.: 2 patents #218 of 745Top 30%
MI Mitsubishi Cable Industries: 1 patents #162 of 372Top 45%
MP Mitsubishi Materials Pmg: 1 patents #4 of 15Top 30%
MC Mitsui Mining & Smelting Co.: 1 patents #444 of 838Top 55%
Overall (All Time): #105,503 of 4,157,543Top 3%
33
Patents All Time

Issued Patents All Time

Showing 25 most recent of 33 patents

Patent #TitleCo-InventorsDate
12296390 Insert bearing and manufacturing method thereof, sintered bearing suitable for insert bearing, sintered insert component and manufacturing method thereof, and sintered component suitable for sintered insert component Shinichi Takezoe, Hideo Sakai 2025-05-13
12109745 Insert sintered part and manufacturing method for same Shinichi Takezoe, Hideo Sakai 2024-10-08
11999088 Insert sintered part and manufacturing method for same Shinichi Takezoe, Hideo Sakai 2024-06-04
11648611 Sintered oil-impregnated bearing Yoshinari Ishii 2023-05-16
11498127 Device and method for manufacturing multilayer molded article Shinichi Takezoe, Hideo Sakai 2022-11-15
11446737 Molding die and molding method Yoshiki Tamura, Hideo Sakai 2022-09-20
11441608 Sintered bearing for motor-type fuel pump and production method therefor Yoshinari Ishii 2022-09-13
11353063 Sintered bearing Yoshinari Ishii 2022-06-07
11248654 Oil impregnated sintered bearing and production method thereof Hajime Kouno, Yoshinari Ishii, Jyun Katou, Kenji Orito 2022-02-15
11073178 Oil-impregnated sintered bearing and method for manufacturing the same Hajime Kouno, Yoshinari Ishii, Jyun Katou, Kenji Orito 2021-07-27
10843264 Molding die and molding method Yoshiki Tamura, Hideo Sakai 2020-11-24
10745780 Cu-based sintered bearing and production method for Cu-based sintered bearing Yoshinari Ishii, Shinichi Takezoe 2020-08-18
10654104 Sintered bearing Yoshinari Ishii, Nobukazu Fujii, Takayuki Suenaga 2020-05-19
9849511 Method of producing a Cu-based sintered sliding member Yoshinari Ishii, Yoshiki Tamura 2017-12-26
9017599 Sliding part and method of manufacturing the same Teruo Shimizu 2015-04-28
8999232 Sintered bearing for motor-powered fuel injection pumps Yoshinari Ishii, Yoshiki Tamura 2015-04-07
8726515 Oil-impregnated sintered bearing and method of producing the same Teruo Shimizu 2014-05-20
8709124 Sintered sliding member Yoshinari Ishii, Yoshiki Tamura 2014-04-29
8449815 Oil-impregnated sintered bearing and manufacturing method thereof Teruo Shimizu 2013-05-28
8360648 Oil-impregnated sintered bearing and method of producing the same Teruo Shimizu 2013-01-29
8167971 Sliding part and method of manufacturing the same Teruo Shimizu 2012-05-01
8092091 Bearing made of sintered copper alloy for a recirculation exhaust gas flow rate control valve Teruo Shimizu 2012-01-10
8057101 Oil impregnated sintered bearing and manufacturing method thereof Teruo Shimizu 2011-11-15
7763363 Bearing for motorized fuel pump Teruo Shimizu, Hideki Narisako, Tadashi Hazama 2010-07-27
7677127 Rotation transmission member, rotation transmission assembly, and gear mechanism Yuji Aoki, Teruo Shimizu 2010-03-16