Issued Patents All Time
Showing 101–113 of 113 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4504599 | Method for production or activation of antimony-containing metal oxide catalysts | Yoshimi Nakamura | 1985-03-12 |
| 4480897 | Single-polarization single-mode optical fiber | Katsunari Okamoto, Toshihito Hosaka, Juichi Noda, Takao Edahiro | 1984-11-06 |
| 4461752 | Process for the production of hydrogen cyanide | Hiroshi Utsumi | 1984-07-24 |
| 4447558 | Process for producing an antimony containing metal oxide catalyst | Yoshimi Nakamura | 1984-05-08 |
| 4419267 | Process for regenerating antimony containing oxide catalyst comprising an aqueous ammonia impregnation | Kunio Mori, Kiyoshi Moriya, Hiroshi Utsumi | 1983-12-06 |
| 4410450 | Process for producing fluid catalyst having good activity from coarse catalyst | Kunio Mori, Kiyoshi Moriya | 1983-10-18 |
| 4374758 | Preparation of stable tellurium-containing solution from metallic tellurium and process for producing tellurium-antimony containing oxide catalyst using said solution | Yoshimi Nakamura | 1983-02-22 |
| 4370279 | Process for production of acrylonitrile | Tomio Nakamura, Yoshimi Nakamura, Kiyoshi Moriya, Hiroshi Utsumi, Shigeru Saito | 1983-01-25 |
| 4330429 | Process for regenerating an antimony containing oxide catalyst | Hiroshi Utsumi, Akimitsu Morii, Yoshimi Nakamura | 1982-05-18 |
| 4324586 | Separation of tellurium from tellurium-antimony-containing metal oxide catalysts | Kiyoshi Moriya | 1982-04-13 |
| 4320353 | Solid-state amplifier circuit for high-frequency signals | — | 1982-03-16 |
| 4311611 | Process for regenerating an antimony containing oxide catalyst | Kiyoshi Moriya, Yoshimi Nakamura | 1982-01-19 |
| 4208303 | Process for regenerating iron-antimony oxide containing catalyst | Yoneichi Ikeda, Masaharu Tashiro, Toshio Nakamura | 1980-06-17 |