Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4266974 | Alloy steel powder having excellent compressibility, moldability and heat-treatment property | Minoru Nitta, Ichio Sakurada, Kuniaki Ogura, Shunji Ito | 1981-05-12 |
| 4234168 | Apparatus for producing low-oxygen iron-base metallic powder | Minoru Nitta, Ichio Sakurada, Shunji Ito | 1980-11-18 |
| 4223874 | Shaft furnace for producing low-oxygen iron-base metallic powder for powder metallurgy | Minoru Nitta, Ichio Sakurada, Shunji Ito | 1980-09-23 |
| 4209320 | Process for producing low-oxygen iron-base metallic powder | Minoru Nitta, Ichio Sakurada, Shunji Ito | 1980-06-24 |