Issued Patents All Time
Showing 1–25 of 25 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5195452 | Sewing machine provided with a threading device for threading a plurality of needles | — | 1993-03-23 |
| 5170990 | Vacuum valve and a vacuum treating apparatus in which said vacuum valve is used | Masao Ueki | 1992-12-15 |
| 5168821 | Sewing machine having a threading device | — | 1992-12-08 |
| 5025737 | Automatic bobbin thread guiding apparatus | — | 1991-06-25 |
| 4991541 | Device and process for treating fine particles | Hiroyuki Sugata, Masao Sugata, Noriko Kurihara, Tohru Den, Kenji Ando | 1991-02-12 |
| 4958185 | Photographing apparatus | Yasutomo Fujiyama | 1990-09-18 |
| 4957061 | Plurality of beam producing means disposed in different longitudinal and lateral directions from each other with respect to a substrate | Kenji Ando, Masao Sugata, Noriko Kurihara, Hiroyuki Sugata, Tohru Den +4 more | 1990-09-18 |
| 4911805 | Apparatus and process for producing a stable beam of fine particles | Kenji Ando, Yuji Chiba, Tatsuo Masaki, deceased, Masao Sugata, Kuniji Osabe | 1990-03-27 |
| 4909183 | Apparatus for plasma CVD | Yasutomo Fujiyama | 1990-03-20 |
| 4909914 | Reaction apparatus which introduces one reacting substance within a convergent-divergent nozzle | Yuji Chiba, Kenji Ando, Tatsuo Masaki, deceased, Masao Sugata, Kuniji Osabe +3 more | 1990-03-20 |
| 4700646 | Sewing machine with retractable handwheel | — | 1987-10-20 |
| 4666734 | Apparatus and process for mass production of film by vacuum deposition | Keijiro Nishida, Yasutomo Fujiyama, Kyosuke Ogawa | 1987-05-19 |
| 4637342 | Vacuum processing apparatus | Yasutomo Fujiyama, Kyosuke Ogawa, Takashi Kurokawa | 1987-01-20 |
| 4628862 | Photochemical vapor deposition apparatus | — | 1986-12-16 |
| 4581249 | Photochemical vapor deposition method | — | 1986-04-08 |
| 4529474 | Method of cleaning apparatus for forming deposited film | Yasutomo Fujiyama | 1985-07-16 |
| 4526644 | Treatment device utilizing plasma | Yasutomo Fujiyama | 1985-07-02 |
| 4522485 | Copying machine including a dielectric covered metal reflective device | Nobuyuki Sekimura | 1985-06-11 |
| 4325608 | Optical system of a copying machine | Nobuyuki Sekimura | 1982-04-20 |
| 4269127 | Trimming device for sewing machines | — | 1981-05-26 |
| 4261645 | Reflection preventive film having an aspherical layer | Mitsuharu Sawamura | 1981-04-14 |
| 4248166 | Sewing machine attachment | — | 1981-02-03 |
| 4244310 | Zigzag sewing machine with a trimming device | Toshio Sasaki | 1981-01-13 |
| 4226208 | Vapor deposition apparatus | Keijiro Nishida, Mitsuo Kakei, Nobuyuki Sekimura | 1980-10-07 |
| 4218134 | Optical system for copier | Nobuyuki Sekimura | 1980-08-19 |