Inventor

MOTOYAMA IWAO

JP2 patents

Patents

2 patents

US4824654AApr 25, 1989

Process of producing needle-shaped calcium carbonate particles

YABASHI IND CO LTD43 citations88

US4857291AAug 15, 1989

Process of producing plate-shaped calcium carbonate particles

YABASHI IND CO LTD16 citations69