Issued Patents All Time
Showing 1–25 of 25 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D1059289 | Water addition plug for storage battery | Kazuki Sekiya, Hiroto Yamashita | 2025-01-28 |
| 11424507 | Lead-acid battery having container, positive and negative electrodes, lid, communication chamber, exhaust hole, and vent hole | — | 2022-08-23 |
| 11251485 | Lead-acid battery | — | 2022-02-15 |
| 9436033 | Liquid-crystal lens | Masaaki Kadomi, Hirokazu Tanaka, Masanori Wada | 2016-09-06 |
| 8119270 | Lead acid battery with liquid sensor in lid | Wataru Mashiko, Mitsunori Maeda, Hiroyasu Kawada, Tomohiro Imamura, Motoshi Kiribayashi | 2012-02-21 |
| D553565 | Storage battery | Kenzou Kawakita, Yoshiaki Yamaguchi, Masamichi Inakura, Kenji Yamauchi | 2007-10-23 |
| D543938 | Storage battery | Kenzou Kawakita, Yoshiaki Yamaguchi, Masamichi Inakura, Kenji Yamauchi | 2007-06-05 |
| D536301 | Storage battery | Kenzou Kawakita, Yoshiaki Yamaguchi, Masamichi Inakura, Kenji Yamauchi | 2007-02-06 |
| 6210238 | Wire connection apparatus for solenoid-operated valves | Masamichi Tajima | 2001-04-03 |
| 6142182 | Base-mounted electromagnetic valve | — | 2000-11-07 |
| D430268 | Solenoid-operated pilot valve | Kazuo Hiramatsu | 2000-08-29 |
| D420101 | End plate for manifold for solenoid-operated directional control valve | Kazuo Hiramatsu | 2000-02-01 |
| 6017249 | Wire connection apparatus for solenoid-operated valves | Masamichi Tajima | 2000-01-25 |
| D419642 | Solenoid-operated pilot valve | Kazuo Hiramatsu | 2000-01-25 |
| 6012490 | Pressure controlling valve to be attached to a base-mounted change valve | Masamichi Tajima, Hiroyuki Katsuta | 2000-01-11 |
| 5996609 | Pilot-operated directional control valve | Masamichi Tajima | 1999-12-07 |
| 5992460 | Solenoid-controlled pilot-operated three-position switching valve | — | 1999-11-30 |
| 5988591 | Spool | Masamichi Tajima, Makoto Ishikawa | 1999-11-23 |
| 5934323 | Spool | Masamichi Tajima, Makoto Ishikawa | 1999-08-10 |
| 5829481 | Pressure-control valve mounted on a base-mount selector valve | Masamichi Tajima, Hiroyuki Katsuta | 1998-11-03 |
| 5829732 | Exhaust pipe supporting device | Naoki Yamaguchi, Kenji Murase, Motoo Kunihiro, Hiroyuki Fujioka | 1998-11-03 |
| 5785299 | Direct-coupled solenoid valves | Hiroyuki Katsuta, Masamichi Tajima | 1998-07-28 |
| 5667624 | Polarization plate gluing apparatus | Kiyomi Tagaya, Susumu Ojima, Seiki Takeda | 1997-09-16 |
| 5113929 | Temperature control system for semiconductor wafer or substrate | Toshiyuki Nakagawa, Nobuyuki Takahashi | 1992-05-19 |
| 4658101 | Sliding-type dip switch | Akio Kai, Masao Kobayashi, Haruo Itoh | 1987-04-14 |