Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10883632 | Threaded joint for steel pipes | Yousuke Oku, Masaaki Sugino | 2021-01-05 |
| 10774598 | Threaded joint for steel pipes | Keita Inose, Shin Ugai, Suguru Yamaguchi, Masaaki Sugino | 2020-09-15 |
| 10774958 | Threaded joint for steel pipe | Keita Inose, Masaaki Sugino | 2020-09-15 |
| 10473241 | Threaded joint for steel pipes | Keita Inose, Shin Ugai, Masaaki Sugino | 2019-11-12 |
| 7699938 | Cleaning method and dishwasher using same | Hiroyuki Fujii, Yasuyuki Nukina, Yuko Omura | 2010-04-20 |
| 6247339 | Washing machine | Yoshitoyo Kenjo, Hiroyuki Fujii | 2001-06-19 |
| 6134925 | Washing machine | Hiroyuki Fujii, Yuko Omura, Shunji Imai | 2000-10-24 |
| 6058743 | Washing machine | Hiroyuki Fujii, Yuko Omura | 2000-05-09 |