Issued Patents 1989
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4886860 | Polymetalosilazane and process for preparing same | Osamu Funayama, Yuuji Tashiro, Takeshi Isoda | 1989-12-12 |
| 4869858 | Processes for producing polysiloxazanes and silicon oxynitride fibers | Osamu Funayama, Hayato Nishii, Takeshi Isoda | 1989-09-26 |
| 4861569 | Reformed, inorganic polysilazane and method of producing same | Osamu Funayama, Takeshi Isoda | 1989-08-29 |
| 4840778 | Inorganic polysilazane and method of producing the same | Takeshi Isoda, Takuji Itoh | 1989-06-20 |
| 4818611 | High-purity silicon nitride fibers | Osamu Funayama, Hayato Nishii, Takeshi Isoda | 1989-04-04 |
| 4795622 | Method for producing silicon-imide | Takeshi Isoda | 1989-01-03 |