Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10315896 | Electric winch device | Hiroaki Kawai, Takashi Hiekata, Shintaro Sasai, Naoto Hori, Toshiro Yamashita | 2019-06-11 |
| 10196247 | Electric winch device | Takashi Hiekata, Hiroaki Kawai, Toshiro Yamashita, Shintaro Sasai, Naoto Hori | 2019-02-05 |
| 10150655 | Electric winch device | Takashi Hiekata, Hiroaki Kawai, Toshiro Yamashita, Shintaro Sasai, Naoto Hori | 2018-12-11 |
| 9796564 | Crane | Hiroaki Kawai, Takashi Hiekata, Koji Inoue, Shintaro Sasai, Toshiro Yamashita +1 more | 2017-10-24 |
| 9759146 | Exhaust gas purification control device for construction machine | Toshiki Tsurumi, Shintaro Sasai, Takahiro Hanamoto, Hitoshi Sakurai | 2017-09-12 |
| 9103049 | Method for melting semiconductor wafer raw material and crystal growing method for semiconductor wafer | Eiichirou Kotoura, Hiroyuki Ohta | 2015-08-11 |
| 9080251 | Single crystal silicon pulling device, method for preventing contamination of silicon melt, and device for preventing contamination of silicon melt | Makato Kamogawa, Yoshiyuki Suzuki, Daisuke Ebi | 2015-07-14 |
| 9030165 | Operating machine | Hiroaki Kawai, Hideaki Ishihara, Shintaro Sasai | 2015-05-12 |
| 8511490 | Slewing stop control apparatus and method for slewing type working machine | Hiroaki Kawai, Akira Tsutsui | 2013-08-20 |
| 8505292 | Braking control apparatus for slewing type working machine | Akira Tsutsui, Hiroaki Kawai, Takahiro Kobayashi | 2013-08-13 |
| 8404046 | Single crystal silicon pulling apparatus, method for preventing contamination of silicon melt, and device for preventing contamination of silicon melt | Makato Kamogawa, Yoshiyuki Suzuki, Daisuke Ebi | 2013-03-26 |
| 7455187 | Traveling crane and assembling/disassembling method thereof | Osamu Toudou, Keisuke Fukumoto | 2008-11-25 |
| 7341158 | Traveling crane and assembling/disassembling method thereof | Osamu Toudou, Keisuke Fukumoto | 2008-03-11 |
| 7340373 | Weight detecting apparatus for crane and crane having the same | — | 2008-03-04 |
| 7166061 | Control device for hydraulic winch | Masaaki Ehara | 2007-01-23 |
| 5935322 | Method of pulling up a single crystal semiconductor | Yoshinobu Hiraishi, Mitsunori Kawabata, Kentaro Nakamura | 1999-08-10 |
| 5932008 | Apparatus for manufacturing a single-crystal and method of manufacturing a single-crystal using the same | Yoshinobu Hiraishi | 1999-08-03 |
| 5868836 | Semiconductor single-crystal lift device | Shigeki Nakamura, Teruhiko Uchiyama | 1999-02-09 |
| 5824153 | Apparatus with movable arms for holding a single-crystal semiconductor ingot | Ayumi Suda, Yoshinobu Hiraishi | 1998-10-20 |
| 5800612 | Single-crystal semiconductor pulling apparatus | Yoshinobu Hiraishi, Taizou Miyamoto | 1998-09-01 |
| 5766347 | Apparatus for fabricating a semiconductor single crystal | Yoshinobu Hiraishi, Mitsunori Kawabata | 1998-06-16 |