Inventor
OBITSU MASAMICHI
JP8 patents
⚠️ This page may combine multiple inventors who share the name “OBITSU MASAMICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NISSAN CHEMICAL IND LTD
7 patentsUS5223176AJun 29, 1993
Zirconia sol and method for making the same
NISSAN CHEMICAL IND LTD33 citations92
US4443496AApr 17, 1984
Agent and method for modifying surface layer of cement structures
NISSAN CHEMICAL IND LTD50 citations92
US4985229AJan 15, 1991
Process for manufacturing fine zirconium oxide powder
NISSAN CHEMICAL IND LTD46 citations88
US4559241ADec 17, 1985
Method for preventing hardened cementitious material from deteriorating
NISSAN CHEMICAL IND LTD21 citations81
US5279995AJan 18, 1994
Zirconia ceramics
NISSAN CHEMICAL IND LTD7 citations73
US5248463ASep 28, 1993
Preparation of zirconia sintered body
NISSAN CHEMICAL IND LTD13 citations70
US4521249AJun 4, 1985
Silicate containing agent and cement surface modified with said agent
NISSAN CHEMICAL IND LTD6 citations70