Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7862249 | Ball-point pen tip and ink refill | Atsushi Nakajima, Kazuhiko Furukawa, Hiroyuki Muto | 2011-01-04 |
| 6432374 | Solid chloride absorbent | Tsuneyoshi Takase, Nobuyashi Hayashi, Yasushi Shioya, Kaoru Fujiwara | 2002-08-13 |
| 5089226 | Method for protecting austenitic stainless steel-made equipment from occurrence of stress-corrosion cracking | Shuzo Mimaya | 1992-02-18 |