Issued Patents All Time
Showing 1–25 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10774312 | Method for producing frozen mesenchymal cells and method for producing implantable therapeutic member | Toshimitsu Higa, Koichi Otomo | 2020-09-15 |
| 7463569 | Optical disk apparatus with a wavelength plate having a two-dimensional array of birefringent regions | Seiji Nishiwaki, Kazuo Momoo, Jun-ichi Asada, Yusuke Kanda | 2008-12-09 |
| 7279942 | Differential current output unit | Norio Fujii | 2007-10-09 |
| 7196888 | Method of fabricating semiconductor integrated circuit device having protection circuit | Ko Takemura | 2007-03-27 |
| 7045915 | Power supply unit having multiple power supply outputs | Kiyotaka Umemoto | 2006-05-16 |
| 6977535 | Differential current output unit | Norio Fujii | 2005-12-20 |
| 6924533 | Semiconductor integrated circuit device incorporating overvoltage protection circuit | Ko Takemura | 2005-08-02 |
| 6703955 | Variable-output-characteristic semiconductor integrated circuit device | Ko Takemura | 2004-03-09 |
| 6132136 | Drainage water pumping station and method for operating the same | Kunio Takada, Sadashi Tanaka | 2000-10-17 |
| 6102618 | Large-depth underground drainage facility and method of running same | Kunio Takada, Masayuki Yamada, Saburo Maru, Sumio Sudo, Sadashi Tanaka | 2000-08-15 |
| 5917237 | Semiconductor integrated circuit device and lead frame therefor | Satoshi Furuno, Koichi Inoue, Koichi Yamasaki | 1999-06-29 |
| 5909982 | Large-depth underground drainage facility and method of running same | Kunio Takada, Masayuki Yamada, Saburo Maru, Sumio Sudo, Sadashi Tanaka | 1999-06-08 |
| 5839880 | Bearing unit, drainage pump and hydraulic turbine each incorporating the bearing unit, and method of manufacturing the bearing unit | Ryoji Okada, Kooji Aizawa, Masayuki Yamada, Kunio Takada, Mitsuaki Haneda +1 more | 1998-11-24 |
| 5733064 | Drainage water pumping station and method for operating the same | Kunio Takada, Sadashi Tanaka | 1998-03-31 |
| 5634740 | Large-depth underground drainage facility and method of running same | Kunio Takada, Masayuki Yamada, Saburo Maru, Sumio Sudo, Sadashi Tanaka | 1997-06-03 |
| 5603587 | Drainage water pumping station and method for operating the same | Kunio Takada, Sadashi Tanaka | 1997-02-18 |
| 5498105 | Drainage water pumping station and method for operating the same | Kunio Takada, Sadashi Tanaka | 1996-03-12 |
| 5487621 | Large-depth underground drainage facility and method of running same | Kunio Takada, Masayuki Yamada, Saburo Maru, Sumio Sudo, Sadashi Tanaka | 1996-01-30 |
| 5458460 | Drainage pump and a hydraulic turbine incorporating a bearing member, and a method of manufacturing the bearing member | Ryoji Okada, Kooji Aizawa, Masayuki Yamada, Kunio Takada, Mitsuaki Haneda +1 more | 1995-10-17 |
| 5360289 | Drainage water pumping station and method for operating the same | Kunio Takada, Sadashi Tanaka | 1994-11-01 |
| 5346316 | Bearing unit, drainage pump and hydraulic turbine each incorporating the bearing unit | Ryoji Okada, Kooju Aizawa, Masayuki Yamada, Kunio Takada, Mitsuaki Haneda +1 more | 1994-09-13 |
| 5300873 | Motor control apparatus | Fumihiko Ito | 1994-04-05 |
| 5287875 | Draining pump system and drainage preference operating method therefor | — | 1994-02-22 |
| 5287047 | Motor drive circuit and motor drive system using the same | Yorinobu Murayama | 1994-02-15 |
| 5228802 | Underground drainage facility and operation method therefor | Norimitu Kuwabara | 1993-07-20 |