TK

Takashi Kikkawa

OI Oiles: 4 patents #43 of 253Top 20%
KI Kurita Water Industries: 2 patents #86 of 384Top 25%
TC Tsukishima Kikai Co.: 1 patents #48 of 127Top 40%
Overall (All Time): #683,788 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
12332002 Circulating cooling water treatment method and cooling performance Takanori Yoshino, Kazuhisa Fujita, Natsumi Taniyama, Marina Yanagida 2025-06-17
11613716 Binder for coal-containing formed product 2023-03-28
8142904 Copper based sintered slide member Shoichiro Iwahashi, Kazuo Kato, Takehiro Shirosaki 2012-03-27
5106498 Filter press Noboru Imasaka, Shinzi Ishii, Shinzi Kaneko 1992-04-21
5069874 Method for reducing high-load, low-speed wear resistance in sliding members Takehiro Shirosaki, Hirotaka Toshima 1991-12-03
5000915 Wear-resistant copper alloy Takehiro Shirosaki, Hirotaka Toshima 1991-03-19
4994235 Wear-resistance aluminum bronze alloy Takehiro Shirosaki, Hirotaka Toshima 1991-02-19