Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5111539 | Toilet device with system for inspecting health conditions | Yoshiki Hiruta, Naoki Tsukamura, Yoshinobu Uchimura, Hironori Yamasaki, Toshio Yamaguchi | 1992-05-12 |
| 4967425 | Sanitary equipment for clean room | Seijiro Kawamura, Masami Iida, Akio Kusumoto, Takao Ikenaga, Hiroshi Okada | 1990-11-06 |
| 4962550 | Toilet with urine constituent measuring device | Takao Ikenaga, Masatoshi Yada, Shigeru Makita, Hitoshi Kitaura | 1990-10-16 |
| 4961431 | Toilet device with health examination system | Takao Ikenaga, Akio Kusumoto, Kimiyoshi Yamamoto, Masatoshi Yada | 1990-10-09 |
| 4692951 | Sanitary facility room for clean room | Masaru Taki, Hiroshi Okada, Seijiro Kawamura, Akio Kusumoto, Koji Morita +2 more | 1987-09-15 |
| 4667350 | Lavatory hopper flushing apparatus | Takao Ikenaga, Tatsumi Hamanaka, Manabu Hirahara | 1987-05-26 |