Hama; Masaharu
Patent Applications and Registrations
Patent applications and USPTO patent grants for Hama; Masaharu.The latest application filed is for "ultrapure water producing apparatus".
- Hama; Masaharu - Tokyo JP
- Hama; Masaharu - Itami JP
- Hama; Masaharu - Amagasaki JA
| Patent | Date |
|---|---|
| Ultrapure water producing apparatus Grant 6,733,661 - Mukogawa , et al. May 11, 2 | 2004-05-11 |
| Ultrapure water producing apparatus App 20020134722 - Mukogawa, Yasukazu ; et al. | 2002-09-26 |
| Apparatus for treating organic waste gas Grant 5,186,907 - Yanagi , et al. February 16, 1 | 1993-02-16 |
| Air conditioning apparatus for a clean room Grant 5,053,064 - Hama , et al. October 1, 1 | 1991-10-01 |
| Apparatus for counting particles attached to surfaces of a solid Grant 4,893,320 - Yanagi , et al. January 9, 1 | 1990-01-09 |
| Method and apparatus for vapor drying Grant 4,868,996 - Ohmori , et al. September 26, 1 | 1989-09-26 |
| Safety device for vessels of compressed gases Grant 4,834,137 - Kawaguchi , et al. May 30, 1 | 1989-05-30 |
| Process of producing semiconductor device Grant 3,980,508 - Takamiya , et al. September 14, 1 | 1976-09-14 |
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