Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10081480 | Container | Kenichi Niimi, Kiyonori Michiba, Takashi Kubo, Kazuyuki Minato, Yoshiki Itou +3 more | 2018-09-25 |
| 9567146 | Process for producing oxygen absorbing agent | Natsuko Matsushita, Emi Ishihara, Hirokazu Tanaka | 2017-02-14 |
| 9387973 | Oxygen absorbing agent | Emi Ishihara, Hirokazu Tanaka | 2016-07-12 |
| 9315383 | Oxygen absorbing agent and method for storing the same | Emi Ishihara, Tomoharu Himeshima | 2016-04-19 |
| 9199778 | Oxygen absorbing resin composition, oxygen absorbing multilayered body, and oxygen absorbing hollow container | Akihiro Masuda, Kiyonori Michiba, Yoshiki Itou, Kenichi Niimi, Takashi Kubo | 2015-12-01 |
| 7947197 | Moisture-resistant deoxidant | Takashi Nakata, Takahiro Seki | 2011-05-24 |
| 6248258 | Oxygen absorbent | Kazuyuki Tomita, Tomoharu Himeshima, Takayuki Watanabe, Junko Baba | 2001-06-19 |
| 6045743 | Method for drying resin-used electronic parts | Takayuki Watanabe, Hideaki Watanabe, Nobuhisa Ariyoshi, Shigeru Murabayashi, Yoshiaki Inoue | 2000-04-04 |
| 6039892 | Oxygen absorbent composition | Tomoharu Himeshima, Kazumoto Nakagawa, Takayuki Watanabe | 2000-03-21 |
| 6004477 | Oxygen absorption composition | Kazumoto Nakagawa, Takayuki Watanabe, Nahomi Abe, Tomoharu Himeshima | 1999-12-21 |
| 5950469 | Method and equipment for surface-hardening treatment of steel balls for a ball bearing | Toshinori Tsuro, Isao Fujiwara | 1999-09-14 |
| 5438108 | Graft precursor and process for producing grafted aromatic polycarbonate resin | Toshikazu Umemura, Takayuki Watanabe, Motoyuki Sugiura | 1995-08-01 |
| 5353550 | Steel ball polishing apparatus | Isao Fujiwara | 1994-10-11 |
| 5315791 | Steel ball machining apparatus capable of eliminating foreign matter | Isao Fujiwara | 1994-05-31 |
| 5034492 | Sulfur-containing aromatic vinyl compound, crosslinked polymer articles and lens | Takao Kawaki, Makoto Kobayashi, Osamu Aoki, Yukifumi Goto | 1991-07-23 |