OY

Osamu Yamakawa

NC Ngk Adrec Co.: 8 patents #1 of 21Top 5%
NI Ngk Insulators: 8 patents #403 of 2,083Top 20%
KS Kabushiki Kaisha Sangi: 1 patents #21 of 39Top 55%
📍 Kani, JP: #9 of 110 inventorsTop 9%
Overall (All Time): #653,406 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
8105675 Honeycomb structure and bonding material to be used for same Naoshi Masukawa, Atsushi Watanabe, Shuichi Ichikawa, Tetsuhiro Honjo 2012-01-31
7988781 Non-settling refractory mortar Tsuneo Komiyama, Tetsuhiro Honjo, Akito Higuchi 2011-08-02
7833923 Monolithic refractory material having low expansibility, high strength, and crack extension resistance Tsuneo Komiyama, Tetsuhiro Honjo, Akito Higuchi 2010-11-16
7820278 Refractory mortar cured material Tsuneo Komiyama, Tetsuhiro Honjo, Akito Higuchi 2010-10-26
7799417 Si-SiC based fired body and method for manufacturing the same Tsuneo Komiyama, Seiichi Hori 2010-09-21
5618762 Light-weight antibacterial ceramic and antibacterial ceramic filter Hiroshi Shirakawa, Hiroaki Nihonmatsu, Kiminori Atsumi 1997-04-08
5145806 Filter for metal hot melt Hiroshi Shirakawa 1992-09-08
5114882 Filter for aluminum hot melt having a partially crystalline binder Takashi Sugiyama, Akira Sumiya 1992-05-19