Issued Patents All Time
Showing 25 most recent of 73 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12266827 | Lithium primary cell with a positive electrode including manganese dioxide and a boron compound | Keiko Kosuge, Toshiyuki Shimizu, Yusuke Kawahara | 2025-04-01 |
| 10507508 | Punch press | Seiichi Kimura, Jun Hirono | 2019-12-17 |
| 10305099 | Electrode alloy powder, negative electrode for nickel-metal hydride storage batteries using the same, and nickel-metal hydride storage battery | Hideaki Ohyama, Akiko Okabe | 2019-05-28 |
| 10128492 | Positive electrode for alkaline storage batteries and alkaline storage battery | Kiyoshi Hayashi, Yasushi Nakamura | 2018-11-13 |
| 9997776 | Alloy powder for electrodes, negative electrode for nickel-metal hydride storage batteries including the same, and nickel-metal hydride storage battery including the same | Akiko Okabe, Hideaki Ohyama, Shinichi Sumiyama, Yasushi Nakamura, Kiyoshi Hayashi +1 more | 2018-06-12 |
| 9893347 | Alloy powder for electrode, negative electrode for alkaline storage battery using the same, and alkaline storage battery | Hideaki Ohyama, Shinichi Sumiyama, Akiko Okabe, Yasushi Nakamura, Kiyoshi Hayashi | 2018-02-13 |
| 9755226 | Nickel-hydrogen storage battery and battery pack | Shinichi Sumiyama, Yasushi Nakamura, Akiko Okabe | 2017-09-05 |
| 9627657 | Cylindrical alkaline storage battery | Shinichi Sumiyama, Hideaki Ohyama, Kiyoshi Hayashi | 2017-04-18 |
| 9256077 | Optical device | Akira Kakinuma, Keisuke Yoneda | 2016-02-09 |
| 9209431 | Alkaline battery | Jun Nunome | 2015-12-08 |
| 9190655 | Lithium primary battery | Jun Nunome, Futoshi Tanigawa, Yoshiki Fukuhara | 2015-11-17 |
| 9159993 | Alkaline battery | Jun Nunome | 2015-10-13 |
| 9067212 | Mill | — | 2015-06-30 |
| 9036097 | Optical device | Akira Kakinuma, Keisuke Yoneda | 2015-05-19 |
| 9030738 | Stereoscopic image viewing device | Keisuke Yoneda, Akira Kakinuma | 2015-05-12 |
| 9019604 | Stereoscopic image viewing device | Keisuke Yoneda, Akira Kakinuma | 2015-04-28 |
| 8922723 | Optical device | Akira Kakinuma, Keisuke Yoneda | 2014-12-30 |
| 8894272 | Powder material agitator | — | 2014-11-25 |
| 8790806 | Alkaline battery | Jun Nunome, Fumiharu Sakashita, Isamu Saruwatari | 2014-07-29 |
| 8709646 | Alkaline battery | Jun Nunome, Machiko Tsukiji | 2014-04-29 |
| 8668999 | Lithium primary battery | Jun Nunome, Kenichi Morigaki, Shinichiro Tahara | 2014-03-11 |
| 8652690 | Lithium primary battery | Jun Nunome, Toshiyuki Shimizu | 2014-02-18 |
| 8387500 | Slug float-up preventing mechanism | — | 2013-03-05 |
| 8283069 | Zinc-alkaline battery | Yuji Mototani | 2012-10-09 |
| 8240481 | Sifter | — | 2012-08-14 |