Issued Patents All Time
Showing 26–29 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4578560 | High frequency induction coupled plasma torch with concentric pipes having flanges thereon | Kunio Fujiwara, Tetsuo Miyajiri | 1986-03-25 |
| 4406680 | Process for producing high-purity silica glass | Takao Edahiro, Toru Kuwahara, Masaaki Yoshida | 1983-09-27 |
| 4338111 | Process for producing a glass preform for optical fiber | Takao Edahiro, Michihisa Kyoto, Toru Kuwahara | 1982-07-06 |
| 4318726 | Process for producing optical fiber preform | Takao Edahiro, Toru Kuwahara, Michihisa Kyoto | 1982-03-09 |