Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10090691 | Power generation system of renewable-energy-based electric power generator and DC power source combiner provided with reverse current prevention device capable of preventing power loss in power generation system | Suminobu Akiba, Shin Tanahashi | 2018-10-02 |
| 9843186 | Power transmission system | Suminobu Akiba, Shin Tanahashi | 2017-12-12 |
| 9800045 | System for preventing arc discharge generated during use of DC power supply | Suminobu Akiba, Shin Tanahashi | 2017-10-24 |
| 9728973 | Power source device | Suminobu Akiba, Shin Tanahashi | 2017-08-08 |
| 9477248 | Direct-current power supply utilizing system and direct-current microgrid network utilizing same | — | 2016-10-25 |
| 7170509 | Information processing apparatus, program for product assembly process display, and method for product assembly process display | Yutaka Tanaka, Kazunori Toshima, Hisatomo Ogawa, Takeshi Nagamatsu, Tomomi Fujimoto | 2007-01-30 |
| 6459504 | Facsimile apparatus, facsimile service center apparatus, facsimile communication system, and method of managing facsimile apparatus | Seiji Miyaoka | 2002-10-01 |
| 4305107 | DC Interrupting apparatus | Satoru Yanabu, Tohru Tamagawa, Hisatoshi Ikeda | 1981-12-08 |