Issued Patents All Time
Showing 26–43 of 43 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4974375 | Ice particle forming and blasting device | Masuo Tada, Toshiaki Ohmori | 1990-12-04 |
| 4941489 | Carrier cleaning and drying apparatus | Yasuo Kamimura, Toshiaki Ohmori, Motonori Yanagi, Masaharu Hama | 1990-07-17 |
| 4932168 | Processing apparatus for semiconductor wafers | Masuo Tada, Takeki Hata, Toshiaki Ohmori | 1990-06-12 |
| 4893320 | Apparatus for counting particles attached to surfaces of a solid | Motonori Yanagi, Masaharu Hama, Nobuyoshi Hattori | 1990-01-09 |
| 4869090 | Method of processing base plate for magnetic disc | Masuo Tada, Kazuhiko Akamatsu, Toshiaki Ohmori, Tadashi Hyono | 1989-09-26 |
| 4868996 | Method and apparatus for vapor drying | Toshiaki Ohmori, Masaharu Hama | 1989-09-26 |
| 4834137 | Safety device for vessels of compressed gases | Toshiaki Kawaguchi, Tsutomu Sasaki, Yutaka Funada, Isao Kubota, Masaharu Hama +1 more | 1989-05-30 |
| 4820650 | Introducing lattice defect with ice particles in semiconductor wafer | Akemi Nagae, Shinichi Satou, Toshiaki Ohmori | 1989-04-11 |
| 4786473 | Apparatus for measuring impurities in pure water | Yasukazu Mukogawa, Katsuhikoa Tamura | 1988-11-22 |
| 4778584 | Liquid filter device | Noboru Inoue, Masaharu Hama, Katsuhiko Tamura, Kimihiko Okaue | 1988-10-18 |
| 4765963 | Apparatus for measuring impurities in water | Yasukazu Mukogawa, Katsuhiko Tamura | 1988-08-23 |
| 4719088 | Apparatus for removing at least one acidic component from a gas | Fumio Itoh, Tutomu Sasaki, Ikuhisa Kanoh | 1988-01-12 |
| 4696184 | Device for measuring the absolute value of the density of salts in atmosphere | Toshiaki Ohmori | 1987-09-29 |
| 4624834 | Device for measuring the absolute value of the density of salts in atmosphere | — | 1986-11-25 |
| 4600888 | Device for continuously monitoring the density of atmospheric sodium ions | Masaharu Hama, Shinpei Kayano | 1986-07-15 |
| 4569224 | Device for measuring the absolute value of the density of salts in atmosphere | Yasukazu Mukogawa, Masaharu Hama, Motonori Yanagi | 1986-02-11 |
| 4465529 | Method of producing semiconductor device | Hideaki Arima, Tadashi Nishimura, Masahiro Yoneda, Yoshihiro Hirata | 1984-08-14 |
| 4411929 | Method for manufacturing semiconductor device | Shinichi Sato, Hiroshi Harada, Hirozo Takano, Hideo Kotani, Shinpei Kayano | 1983-10-25 |