Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11588343 | Power storage device, power storage system, power supply system, and control method for power storage device | Takashi Matsuda, Yukinari Sato | 2023-02-21 |
| 7560901 | Internal short detection apparatus for secondary-battery, internal short detection method for secondary-battery, battery-pack, and electronic equipment | Masato Fujikawa, Mikinari Shimada | 2009-07-14 |
| 6893753 | Rechargeable battery equipped with battery protection circuit | Yoshinori Iwaizono, Shoji Konishi, Shigeru Kajiwara, Takeshi Ishimaru, Katsuyuki Shirasawa | 2005-05-17 |
| 6759152 | Rechargeable battery equipped with battery protection circuit | Yoshinori Iwaizono, Shoji Konishi, Shigeru Kajiwara, Takeshi Ishimaru, Katsuyuki Shirasawa | 2004-07-06 |
| 6524732 | Rechargeable battery with protective circuit | Yoshinori Iwaizono, Shoji Konishi, Shigeru Kajiwara, Takeshi Ishimaru, Katsuyuki Shirasawa | 2003-02-25 |
| 5111201 | System radio transmission of liquid level data and battery saving technique | Hiroshi Matsumura, Norio Shimamura, Yasuto Ohta, Makoto Shimizu, Naoaki Natori +1 more | 1992-05-05 |
| 4938315 | Apparatus for exchanging oil for device having oil pan for circulating oil therebetween | Yasuto Ohta, Fumitaka Uemura, Yoshiyuki Satoh, Naohiko Suzuki | 1990-07-03 |
| 4589069 | Data input/output system for gasoline stations | Keizo Endo, Hiroshi Matsumura, Norio Shimamura | 1986-05-13 |