Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9777164 | Allergen reducing agent, and processed product, coating material, and wood building material using same | Kenji Sakamoto, Shigeharu Fukuzawa, Hiroyuki Omura, Kazumasa Rokushima | 2017-10-03 |
| 6303229 | Hydrophilic inorganic coating film and composition made from alkoxysilane and silica | Koichi Takahama, Minoru Inoue, Junko Ikenaga | 2001-10-16 |
| 5863850 | Process of making zirconia based ceramic material | Masahiro Nawa, Keiichi Yamasaki, Koichi Niihara, Atsushi Nakahira, Tohru SEKINO | 1999-01-26 |
| 5854158 | ZrO.sub.2 based ceramic material and method of producing the same | Masahiro Nawa, Koichi Niihara, Tohru SEKINO | 1998-12-29 |
| 5728636 | Zirconia based ceramic material | Masahiro Nawa, Keiichi Yamasaki, Koichi Niihara, Atsushi Nakahira, Tohru SEKINO | 1998-03-17 |