Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4861620 | Method of laser marking | Masaaki Sakaki | 1989-08-29 |
| 4849178 | Apparatus for measuring ozone concentration | — | 1989-07-18 |
| 4462965 | Intermittent ozonizing apparatus | Isao Kajita, Akaru Usui | 1984-07-31 |
| 4370301 | Dry deodorizing apparatus | Kunihiro Doi, Tetsu Takeyama | 1983-01-25 |
| 4365979 | Water producing apparatus | Tetsu Takeyama, Akira Ikeda, Toshie Yamamoto, Shigeho Katsurada | 1982-12-28 |
| 4344778 | Water producing apparatus | Hiromasa Matsuoka, Enju Nishiyama | 1982-08-17 |
| 4304577 | Water producing apparatus | Toshio Ito, Hiromasa Matsuoka, Yoshio Hirayama, Nobuyoshi Takahashi | 1981-12-08 |
| 4299599 | Water producing apparatus | Tetsu Takeyama, Akira Ikeda, Toshie Yamamoto, Shigeho Katsurada | 1981-11-10 |
| 4256710 | Process for deodorization | Akira Ikeda | 1981-03-17 |