Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5173942 | Audio system operable in directional and non-directional modes | — | 1992-12-22 |
| 5034502 | Process for producing a polyarylate | Eiichi Itoi, Tadashi Ishida | 1991-07-23 |
| 4417723 | Tuyere for blowing gases into molten metal bath container | Minoru Kitamura, Shinji Koyama, Shuzo Ito, Masahiko Ohgami, Hideo Matsui +2 more | 1983-11-29 |
| 4390682 | Aromatic copolyester | Kayomon Kyo, Yasuhiko Asai, Nobuo Suyama | 1983-06-28 |
| 4258154 | Aromatic polyester | Kayomon Kyo, Nakaba Asahara, Yasuhiko Asai, Sadao Kato | 1981-03-24 |
| 4229332 | Aromatic copolyester composition | Kayomon Kyo, Yasuhiko Asai, Minolu Kishida | 1980-10-21 |
| 4206100 | Resin composition | Kayomon Kyo, Nakaba Asahara, Yasuhiko Asai, Kenichirou Nakamoto | 1980-06-03 |