TK

Toshiyuki Katayama

NC Nichirin Co.: 2 patents #3 of 24Top 15%
HI Hitachi: 1 patents #17,742 of 28,497Top 65%
HC Hitachi Engineering Co.: 1 patents #187 of 572Top 35%
HO Hoya: 1 patents #757 of 1,290Top 60%
NH Nippon Steel Hardfacing: 1 patents #8 of 28Top 30%
Overall (All Time): #786,908 of 4,157,543Top 20%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
12383123 Endoscope having a joining portion in which liquid and gas join 2025-08-12
8020897 Joint structure of steel pipe and light metal pipe Yoshio Nakano, Takashi Yagi, Masamichi Matsui 2011-09-20
7661720 Connection structure for different kinds of metal tubes Yoshio Nakano, Takashi Yagi, Masamichi Matsui 2010-02-16
5944644 Roll of winding equipment in rolling factory Shinsuke Kai, Sakuhiko Kumade 1999-08-31
5379325 Clock generating apparatus, data transmitting/receiving apparatus and data transmitting/receiving method Norihiko Sugimoto, Shunji Inada, Seiji Kamada 1995-01-03
4285534 Pulsation-absorbing flexible pipe for pressure fluid device Kiyokazu Agura, Masayuki Matsuda 1981-08-25