Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8022011 | Photocatalyst element, method and device for preparing the same | Junji Hiraoka, Takahiro Doke, Daisuke Noguchi, Yoshio Kawamata | 2011-09-20 |
| 7799731 | Photocatalyst element, method and device for preparing the same | Junji Hiraoka, Takahiro Doke, Daisuke Noguchi, Yoshio Kawamata | 2010-09-21 |
| 5534120 | Membraneless water electrolyzer | Shigeru Ando, Hidetaka Miyahara, Junji Tanaka, Hiroshi Takamatsu | 1996-07-09 |
| 5469586 | Toilet bowl flushing device | Osamu Tsutsui, Atsuo Makita, Hirofumi Takeuchi | 1995-11-28 |
| 5457826 | Whirlpool bath with an inverter-controlled circulating pump | Yasutoshi Inatomi, Takashi Obata, Mituaki Hashida, Koichi Uchiyama, Kenji Moriyama | 1995-10-17 |
| 5427503 | Multi-stacked circular plate fan provided with blades | Yasuo Hamada, Katsushi Akamatsu | 1995-06-27 |
| 5292479 | Air treatment by multi-stacked plate asembly | Hajime Miyazaki, Yasuo Hamada, Katsushi Akamatsu, Ayako Hirano | 1994-03-08 |
| 5245714 | Whirlpool bath provided with hot water blow-off control | Yasutoshi Inatomi, Takashi Obata, Mituaki Hasida, Koichi Uchiyama, Kenji Moriyama | 1993-09-21 |
| 5144702 | Blow-off nozzle structure capable of automatically varying the blow-off volume of water | Yasutoshi Inatomi, Takashi Obata, Mituaki Hashida, Koichi Uchiyama, Kenji Moriyama | 1992-09-08 |
| 5085399 | Automatically operating valve for regulating water flow and faucet provided with said valve | Osamu Tsutsui, Kinya Arita, Atsuo Makita, Hirofumi Takeuchi, Ryoichi Tsukada | 1992-02-04 |
| 4989277 | Toilet bowl flushing device | Osamu Tsutsui, Atsuo Makita, Hirofumi Takeuchi | 1991-02-05 |
| 4980933 | Washing device for parts of human body | Osamu Tsutsui, Kiyoshi Fujino, Yoshinobu Uchimura, Yoshiki Kawamura | 1991-01-01 |
| 4971106 | Automatically operating valve for regulating water flow and faucet provided with said valve | Osamu Tsutsui, Kinya Arita, Atsuo Makita, Hirofumi Takeuchi, Ryoichi Tsukada | 1990-11-20 |
| 4967794 | Automatically operating valve for regulating water flow and faucet provided with said valve | Osamu Tsutsui, Kinya Arita, Atsuo Makita, Hirofumi Takeuchi, Ryoichi Tsukada | 1990-11-06 |
| 4955535 | Automatically operating valve for regulating water flow and faucet provided with said valve | Osamu Tsutsui, Kinya Arita, Atsuo Makita, Hirofumi Takeuchi, Ryoichi Tsukada | 1990-09-11 |