Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5971609 | Method of measuring the dew point or frost point of a gas having low water content | Akira Makihara, Hiroshi Nakamura, Shigeru Kikuchi, Shigeki Hayashi | 1999-10-26 |
| 5615954 | Apparatus for measuring the dew point or frost point of a gas having low water content | Junichi Nishizawa, Edward Frederick Ezell, Akira Makihara | 1997-04-01 |
| 5482371 | Method and apparatus for measuring the dew point and/or frost point of a gas having low water content | Junichi Nishizawa, Edward Frederick Ezell, Akira Makihara | 1996-01-09 |
| 5470154 | Method of cleaning the reflector mirror in an optical dew point meter and an optical dew point meter equipped with a cleaning device | Juinchi Nishizawa, Edward Frederick Ezell, Akira Makihara | 1995-11-28 |
| 5052818 | Method of and apparatus for measuring very low water content in gas | Junichi Nishizawa, Taichi Tagawa | 1991-10-01 |