Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7444863 | Thermal mass flowmeter | — | 2008-11-04 |
| 7170596 | Atomic absorption spectrophotometer with a background correcting function | Kazuo Nagasawa | 2007-01-30 |
| 7130044 | Atomic absorption spectrophotometer | Tsutomu Watanabe, Koki Yamamoto | 2006-10-31 |
| 6683685 | Atomic absorption photometer | — | 2004-01-27 |
| 6377899 | Method of calibrating spectrophotometer | Kazuo Nagasawa | 2002-04-23 |
| 5990798 | Atomic absorption photometer with a safety monitor | — | 1999-11-23 |
| 5986751 | Atomic absorption photometer | — | 1999-11-16 |
| 5815263 | Double beam spectrophotometer | — | 1998-09-29 |