KK

Koichi Kubo

Canon: 2 patents #420 of 2,977Top 15%
Chevron: 2 patents #40 of 295Top 15%
Overall (2025): #33,516 of 469,880Top 8%
4
Patents 2025

Issued Patents 2025

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
12391898 Friction modifier system Taiki HATTORI, William R. Ruhe, Jr. 2025-08-19
12291038 Liquid ejection apparatus and liquid ejection head Naozumi Nabeshima, Soji Kondo, Kazuya Yoshii 2025-05-06
12291686 Lubricating oil compositions for automatic transmissions Masami Fuchi, Naoya Sasaki, Takahiro Nakagawa, Satoshi Ohta 2025-05-06
12280602 Liquid ejection head and liquid ejection apparatus Kenji Yabe, Naozumi Nabeshima, Soji Kondo 2025-04-22