Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9815115 | Finish heat treatment method and finish heat treatment apparatus for iron powder | Toshio Maetani | 2017-11-14 |
| 9321103 | Finish heat treatment method and finish heat treatment apparatus for iron powder | Toshio Maetani | 2016-04-26 |
| 8102762 | Communication control system and communication control method | Hiroki Oyama, Tomoki Murakami, Hiroshi Kurihara, Yoshiki Shioji, Atsushi Hashiguchi +1 more | 2012-01-24 |
| 7971872 | Drive joint mechanism and image forming apparatus using the same | Hiroyoshi Omura | 2011-07-05 |
| 6231826 | Process and apparatus for refining silicon | Kazuhiro Hanazawa, Masamichi Abe, Hiroyuki Baba, Naomichi Nakamura, Noriyoshi Yuge +2 more | 2001-05-15 |
| 6090361 | Method for producing silicon for use in solar cells | Hiroyuki Baba, Masamichi Abe, Kazuhiro Hanazawa, Naomichi Nakamura, Noriyoshi Yuge +2 more | 2000-07-18 |
| 5961944 | Process and apparatus for manufacturing polycrystalline silicon, and process for manufacturing silicon wafer for solar cell | Fukuo Aratani, Yoshiei Kato, Noriyoshi Yuge, Hiroyuki Baba, Naomichi Nakamura +1 more | 1999-10-05 |
| 5302277 | Process for producing paraformaldehyde of high formaldehyde content | — | 1994-04-12 |
| 5104633 | Method for producing high-purity metallic silicon and apparatus therefor | Fukuo Aratani, Kazuhiro Uchino, Mitsugi Yoshiyagawa, Kunio Miyata, Masato Ishizaki +1 more | 1992-04-14 |
| 4758117 | Method for the transportation of a particulate material at controlled rate | Yunosuke Maki, Youichi Watanabe, Kazuaki Tanaka, Yuichi Kobayashi, Hideo Ooishi +1 more | 1988-07-19 |