MK

Masaya Kubota

IC Idemitsu Kosan Co.: 3 patents #409 of 1,237Top 35%
KT Kabushiki Kaisha Toshiba: 3 patents #8,011 of 21,451Top 40%
JA Jatco: 2 patents #307 of 871Top 40%
Nissan Motor Co.: 1 patents #4,519 of 8,689Top 55%
📍 Chiyoda, JP: #410 of 1,712 inventorsTop 25%
Overall (All Time): #539,011 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
12410379 Lubricant oil composition Kenji SUNAHARA, Shoichiro FUJITA, Shota KATO 2025-09-09
12384982 Lubricating oil composition Shoichiro FUJITA, Kenji SUNAHARA, Tsukasa Yamagishi 2025-08-12
12359144 Lubricant composition Kenji SUNAHARA, Shoichiro FUJITA 2025-07-15
8249786 Control apparatus and method for automatic transmission Jun Yoshino 2012-08-21
8065065 Lock-up control for torque converter Katsunori Satou, Hiroyuki Takenaka, Kan Yagi, Seiji Totsuka 2011-11-22
7780571 Automatic transmission control apparatus Kan Yagi, Jun Yoshino, Hitoshi Yokose, Tsuyoshi Mori, Katsunori Satou +2 more 2010-08-24
7243199 Memory data protection system Kiyoharu Oikawa, Kimio Maruyama, Yasuhiro Watanabe, Naokazu Kuzuno 2007-07-10
7167393 Nonvolatile semiconductor memory device containing reference capacitor circuit Kiyoharu Oikawa, Yukihiro Nishida, Junji Morita 2007-01-23
7123527 Redundancy fuse circuit Naokazu Kuzuno, Kiyoharu Oikawa, Kimio Maruyama, Yasuhiro Watanabe 2006-10-17