Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12142777 | Stacked battery pack | Yuji Uehara, Koki Kawamura | 2024-11-12 |
| 11489217 | Battery pack | Takamitsu Tsuna | 2022-11-01 |
| 9054541 | Portable power source apparatus capable of holding circular cylindrical batteries | Hiroshi Nagamine | 2015-06-09 |
| 8120318 | Battery charger for two types of rectangular battery packs | Toshiki Nakasho, Koichi Inoue | 2012-02-21 |
| 7678493 | Battery pack | Katsuji Mizuta | 2010-03-16 |
| 7338733 | Battery pack | Osamu Kaite | 2008-03-04 |
| 7132196 | Battery pack | Yasuhiro Oono | 2006-11-07 |
| 6464512 | Apparatus with spring-loaded contacts | — | 2002-10-15 |
| 6091224 | Battery pack having recessed area for receiving battery charger | — | 2000-07-18 |
| 5939859 | Battery charger with body slot and catch arrangement to prevent incorrect battery orientation | — | 1999-08-17 |
| 5926003 | Battery charger | — | 1999-07-20 |
| 5652499 | Power supply apparatus to provide power to electrical equipment from a plurality of battery packs and its method of power supply | Takayuki Mino | 1997-07-29 |
| 5592064 | Battery charging apparatus, power supply, and attachment for connecting different types of battery packs to a battery charger | — | 1997-01-07 |
| 5286776 | Reinforced polypropylene resin composition containing glass fiber, mica and copolymer additives | Shigeji Ichikawa, Katsunori Arai, Kouhei Ueno, Tatsushi Akou | 1994-02-15 |
| 5247003 | Ethylene-propylene copolymer based resin composition suitable for automobile bumpers | Masahiro Terada, Kohei Ueno, Kazuyoshi Tanaka | 1993-09-21 |
| 5122721 | Combination battery charger and AC adapter | Tetsuya Okada | 1992-06-16 |
| 5119008 | Battery charging apparatus | Syouiti Toya | 1992-06-02 |
| 4707505 | Glass fiber reinforced propylene-ethylene copolymer base resin composition | Yoshio Matsuno, Toshio Miyamoto | 1987-11-17 |
| 4694031 | Surface treated-glass fiber-reinforced polypropylene composition | Tomohiko Akagawa, Yasuo Kita | 1987-09-15 |
| 4621115 | Glass fiber reinforced polypropylene compositions comprising crystalline e-p block copolymer graft modified with itaconic anhydride | Tomohiko Akagawa, Yasuo Kita | 1986-11-04 |