Issued Patents All Time
Showing 1–25 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11168922 | Heat exchanger tube, heat exchange unit, heat exchange apparatus, hot water supply system, and method of manufacturing heat exchanger tube | Toshiaki Aoki | 2021-11-09 |
| 11103818 | Filter device and water heater | Toshiaki Aoki, Kyohei Matsushita | 2021-08-31 |
| 11035571 | Piping connection unit, air supply or exhaust tube, and combustion apparatus | Toshiaki Aoki | 2021-06-15 |
| 8450780 | Solid-state imaging sensor, method of manufacturing the same, and image pickup apparatus | — | 2013-05-28 |
| 8425949 | External use composition for skin | Hifumi Ohishi, Keizou Ohishi, Hisanori Tani | 2013-04-23 |
| 8178933 | Semiconductor device | Akira Mizumura, Hiroaki Ammo | 2012-05-15 |
| 7932567 | Semiconductor device | Akira Mizumura, Hiroaki Ammo | 2011-04-26 |
| 6955241 | Speaker unit for low frequency reproduction | Erik Thorsell, Glenn Cass | 2005-10-18 |
| 6912290 | Speaker unit for low frequency reproduction | Erik Thorsell, Glenn Cass | 2005-06-28 |
| 6879953 | Speech recognition with request level determination | Humio Saito | 2005-04-12 |
| 6208012 | Zener zap diode and method of manufacturing the same | — | 2001-03-27 |
| 6002144 | Zener diode semiconductor device with contact portions | — | 1999-12-14 |
| 5936048 | Method for preparing modified resins and their applications | Kazuo Sugazaki, Jin Suzuki | 1999-08-10 |
| 5869184 | Diguanamines and preparation process, derivatives and use thereof | Jin Suzuki, Kouhei Ohkawa, Satoshi Furusawa, Hiroshi Ono, Kazuo Sugazaki | 1999-02-09 |
| 5792814 | Method for preparing modified resins and their applications | Kazuo Sugazaki, Jin Suzuki | 1998-08-11 |
| 5744504 | Diguanamines and preparation process, derivatives and use thereof | Jin Suzuki, Kouhei Ohkawa, Satoshi Furusawa, Hiroshi Ono | 1998-04-28 |
| 5674947 | Method for preparing modified resins and their applications | Kazuo Sugazaki, Jin Suzuki | 1997-10-07 |
| 5648446 | Diguanamines and preparation process, derivatives and use thereof | Jin Suzuki, Kouhei Ohkawa, Hiroshi Ono | 1997-07-15 |
| 5646240 | Diguanamines and preparation process, derivatives and use thereof | Jin Suzuki, Kouhei Ohkawa, Hiroshi Ono | 1997-07-08 |
| 5596039 | Diguanamines and preparation process, derivatives and use thereof | Hiroshi Ozawa, Minato Karasawa, Masamitsu Inomata, Izumi Mega, Atsuyoshi Yamauchi | 1997-01-21 |
| 5569726 | Diguanamines and preparation process, derivatives and use thereof | Jin Suzuki, Kouhei Ohkawa, Satoshi Furusawa, Hiroshi Ono, Kazuo Sugazaki | 1996-10-29 |
| 5545702 | Diguanamines and preparation process, derivatives and use thereof | Hiroshi Ozawa, Minato Karasawa, Masamitsu Inomata, Izumi Mega, Atsuyoshi Yamauchi +10 more | 1996-08-13 |
| 5536795 | Diguanamines and preparation process, derivatives and use thereof | Hiroshi Ozawa, Minato Karasawa, Masamitsu Inomata, Izumi Mega, Atsuyoshi Yamauchi | 1996-07-16 |
| 5480947 | Diguanamines and preparation process, derivatives and use thereof | Hiroshi Ozawa, Minato Karasawa, Masamitsu Inomata, Izumi Mega, Atsuyoshi Yamauchi +10 more | 1996-01-02 |
| 5318639 | Method of manufacturing grain oriented silicon steel sheets | Yasuyuki Hayakawa, Ujihiro Nishiike, Bunjiro Fukuda, Masataka Yamada, Shigeru Yoshida +1 more | 1994-06-07 |