Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6502251 | Water closet and flushing water feed device | Kunihiko Teshima, Taiji Sugita, Takayuki Ohtani, Kenichi Nagato, Yoshitaka Suehiro | 2003-01-07 |
| 5514316 | Slip casting method for manufacturing ceramic articles | Mitsuru Saka, Akio Matsumoto, Minoru Inoue, Toshiaki Nogami, Takazi Naotsuka +2 more | 1996-05-07 |
| 4921422 | Method for controlling the preheating zone of a tunnel kiln | Takeshi Ogawa, Norio Tanaka | 1990-05-01 |
| 4906449 | Method for hydrating hemihydrate gypsum | Masahiko Suemitu, Masami Goto | 1990-03-06 |