TK

Takenori Kumagai

SC Shimizu Construction Co.: 3 patents #20 of 352Top 6%
KS Kawasaki Steel: 1 patents #889 of 1,922Top 50%
KM Konica Minolta: 1 patents #1,862 of 2,718Top 70%
KL Konica Minolta Advanced Layers: 1 patents #22 of 72Top 35%
Overall (All Time): #1,004,189 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
9110228 Film mirror, film mirror for solar power generation and reflection device for solar power generation 2015-08-18
9057867 Mirror and reflective device for generating solar power 2015-06-16
5062243 Openable roof 1991-11-05
4942698 Openable roof and structure therewith 1990-07-24
4697397 Trussed girder, roof framing using the trussed girder and method of constructing the roof framing of a building using the trussed girder Shuji Okuda, Hideo Shimomura, Kusuo Honda, Masato Kawaguchi, Yasuo Kuno +1 more 1987-10-06