Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6318178 | Cleanliness evaluation method for metallic materials based on ultrasonic flaw detection and metallic material affixed with evaluation of cleanliness | Yoshiyuki Kato, Shoichi Takemoto | 2001-11-20 |
| 6143571 | Method for analytically determining oxygen for each form of oxide | Tomoko Ise, Yoshiyuki Kato | 2000-11-07 |