Norihiro Umezawa

MC Mitsubishi Yuka Fine Chemicals Co.: 1 patents #16 of 39Top 45%

UN Unknown: 1 patents #29,356 of 83,584Top 40%

📍 Kakuda, JP: #53 of 79 inventorsTop 70%

Overall (All Time): #3,979,562 of 4,157,543Top 100%

Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4684407	Hydraulic cement composition and process for producing cement shapings	Kazuyuki Hata	1987-08-04