Issued Patents All Time
Showing 76–100 of 113 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5094990 | Iron-antimony-phosphorus-containing metal oxide catalyst for oxidation | Masato Otani, Hiroshi Utsumi, Kazuo Morishita | 1992-03-10 |
| 5071814 | Process for producing molybdenum bismuth-containing metal oxide catalyst | Kunio Mori, Kiyoshi Moriya | 1991-12-10 |
| 5059573 | Process for producing molybdenum-containing metal oxide fluid-bed catalyst | Kunio Mori, Kiyoshi Moriya | 1991-10-22 |
| 5007870 | Jet propulsion craft provided with exhaust noise eliminating apparatus | Susumu Okubo | 1991-04-16 |
| 4981830 | Process for preparing iron-antimony-phosphorus-containing catalyst for fluidized bed process | Hiroshi Utsumi, Masato Otani, Kazuo Morishita | 1991-01-01 |
| 4976941 | Process for oxidizing carbon monoxide in exhaust gas from a sintering furnace | Takeo Tsunoda, Setsu Takeo, Tatsuya Nobusawa, Norihide Enomoto, Hiroyasu Takahashi +2 more | 1990-12-11 |
| 4972585 | Rotary blade cutter | — | 1990-11-27 |
| 4967237 | Roller-driving device for fixing device | Shinichi Murakami | 1990-10-30 |
| 4965393 | Process for producing acrylonitrile | Kunio Mori, Kiyoshi Moriya | 1990-10-23 |
| 4946819 | Phosphorus-antimony-containing catalyst for oxidation | Hiroshi Utsumi, Masato Otani, Shinji Yamamoto | 1990-08-07 |
| 4913521 | Single-polarization optical fiber | Katsusuke Tajima, Masaharu Ohashi, Makoto Tsubokawa, Nobuo Kuwaki | 1990-04-03 |
| 4850006 | Booster and charger unit used for hand-held portable telephone and having overheat protection circuit | Yoshiharu Tamura | 1989-07-18 |
| 4838916 | Method for making single-polorization, single mode optical fibers | Takao Edahiro, Tetsuo Miya, Katusunari Okamoto, Masao Kawachi | 1989-06-13 |
| 4826802 | Method for preparation of antimony and tellurium-containing metal oxide catalysts | Yoshimi Nakamura, Hiroshi Utsumi, Kunio Mori | 1989-05-02 |
| 4774352 | Process for ammoxidation | Yutaka Kiyomiya, Toshio Nakamura | 1988-09-27 |
| 4757038 | Regeneration of iron-antimony metallic oxide catalysts | Yutaka Kiyomiya, Toshio Nakamura, Yoshimi Nakamura, Masanori Yamaguchi | 1988-07-12 |
| 4709071 | Process for improving activity of tellurium containing metal oxide catalysts | Yutaka Kiyomiya, Toshio Nakamura | 1987-11-24 |
| 4709070 | Process for improving activity of tellurium containing metal oxide catalysts | Yutaka Kiyomiya, Toshio Nakamura | 1987-11-24 |
| 4624800 | Method for producing aqueous, low-alkali metal, low-alumina silica sols | Toshio Nakamura, Hiroshi Murata, Yoshimi Nakamura | 1986-11-25 |
| 4618593 | Process for improving activity of tellurium containing metal oxide catalysts | Yutaka Kiyomiya, Toshio Nakamura | 1986-10-21 |
| 4590173 | Process for producing antimony-containing oxide catalyst supported on silica for use in fluidized bed reaction | Toshio Nakamura, Hiroshi Utsumi, Hiroshi Murata, Yoshimi Nakamura | 1986-05-20 |
| 4590175 | Process for the production of antimony-containing metal oxide catalysts | Hiroshi Utsumi, Kunio Mori, Hiroshi Yamamoto, Yoshimi Nakamura, Kiyoshi Moriya +3 more | 1986-05-20 |
| 4587226 | Process for producing antimony-containing oxide catalyst with improved strength | Toshio Nakamura, Hiroshi Yamamoto, Hiroshi Murata, Yoshimi Nakamura, Naohiro Takahashi | 1986-05-06 |
| 4536483 | Process for regeneration of iron-antimony metallic oxide catalysts | Yutaka Kiyomiya, Toshio Nakamura, Yoshimi Nakamura, Masanori Yamaguchi | 1985-08-20 |
| 4504798 | Transistor circuit including biassing circuit | — | 1985-03-12 |