KK

Katsuya Koganei

TO Tonen: 3 patents #47 of 264Top 20%
TK Tonengeneral Sekiyu K.K.: 1 patents #6 of 32Top 20%
📍 Ugo, JP: #20 of 203 inventorsTop 10%
Overall (All Time): #1,042,520 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
6605573 Lubricating oil composition for internal combustion engines (LAW651) Makoto Kanbara 2003-08-12
6329328 Lubricant oil composition for internal combustion engines Satoshi Ogano, Toshiaki Kuribayashi 2001-12-11
6140283 Lubricant oil composition for internal combustion engines 2000-10-31
6096693 Zinc-molybdenum-based dithiocarbamate derivative, method of producing the same, and lubricant composition containing the same Hiroshi Nakanishi, Hiroyuki Iwasaki 2000-08-01
5547597 Lubricating oil composition for two-cycle engines Takeshi Nomura, Toshiaki Kuribayashi, Noboru Umemoto 1996-08-20