Issued Patents All Time
Showing 26–41 of 41 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7736586 | Melting furnace with agitator | — | 2010-06-15 |
| 7651656 | Melting furnace with agitator and agitator for melting furnace | — | 2010-01-26 |
| 7299862 | Total heat exchanging element | Masaru Takada, Hidemoto Arai, Youichi Sugiyama, Hisao Yokoya, Junji Harada +1 more | 2007-11-27 |
| 7183322 | Remedy for hypertension | Noriyuki Miyata, Shigeru Okuyama, Teisuke Takahashi | 2007-02-27 |
| 7073736 | Shredder dust electrostatic separation apparatus and method | — | 2006-07-11 |
| 6319440 | Deodorant material | Koe Enmanji, Itsuo Nishiyama | 2001-11-20 |
| 6036124 | Apparatus for gasifying and liquefying styrofoam | Kazukuni Shibata, Masaya Takahashi | 2000-03-14 |
| 6019170 | Spacer for heat exchangers, element for heat exchangers, and heat exchanger | Hisao Yokoya, Hidemoto Arai | 2000-02-01 |
| 5758369 | Bathtub having bath water activating apparatus | Hiroyasu Nitta | 1998-06-02 |
| 5624610 | Humidifier | Hisao Yokoya | 1997-04-29 |
| 5415112 | Incinerator | — | 1995-05-16 |
| 5318731 | Humidifier | Hisao Yokoya, Shigeo Makimura | 1994-06-07 |
| 4781727 | Method for gas sealing of phosphoric acid-type fuel cell | Kenro Mitsuda, Hisashi Shiota, Kozo Shimamoto, Toshiaki Murahashi, Ikuyuki Hirata | 1988-11-01 |
| 4616695 | Heat exchanger | Nobuo Kumazaki, Hisao Yokoya, Hironobu Nakamura, Tadakatsu Kachi | 1986-10-14 |
| 4480156 | Echo canceller system | Takashi Sakamoto | 1984-10-30 |
| 4305082 | Electric recording system and electric heat recording sheet | Hideaki Kusakawa, Koichi Tomura, Masaru Ohnishi, Kumiko Nakajima | 1981-12-08 |