Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4886860 | Polymetalosilazane and process for preparing same | Mikiro Arai, Yuuji Tashiro, Takeshi Isoda | 1989-12-12 |
| 4869858 | Processes for producing polysiloxazanes and silicon oxynitride fibers | Mikiro Arai, Hayato Nishii, Takeshi Isoda | 1989-09-26 |
| 4861569 | Reformed, inorganic polysilazane and method of producing same | Mikiro Arai, Takeshi Isoda | 1989-08-29 |
| 4818611 | High-purity silicon nitride fibers | Mikiro Arai, Hayato Nishii, Takeshi Isoda | 1989-04-04 |