Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6716490 | Method for making enameled steel sheet | Kazuhiro Hayashi, Masao Taguchi, Masato Takagi, Shinichi Noma | 2004-04-06 |
| 6334885 | Method of solidifying steel-making slag and material produced by the method | Hisahiro Matsunaga, Hiroyuki Tobo, Makiko Nakagawa, Masato Takagi, Masato Kumagai | 2002-01-01 |
| 6322622 | Flame-spraying powdery repair mixture | Hisahiro Matsunaga, Masato Kumagai | 2001-11-27 |
| 6020421 | Polyester composition and method for producing the same | Kiwamu Yuki, Tsunetoshi Matsuda | 2000-02-01 |
| 5993974 | Porcelain-enameled steel sheets and frits for enameling | Masato Kumagai, Kyoko Hamahara, Toshihide Suzuki, Koji Watanabe, Hiroshi Nagaishi +1 more | 1999-11-30 |
| 5043385 | Impact resistant resin composition | Kenji Yasue, Takeshi Marutani, Takashi Ida | 1991-08-27 |
| 4804707 | Impact resistant resin composition | Takashi Okamoto, Kenji Yasue, Takeshi Marutani | 1989-02-14 |