Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12108962 | Endoscopic treatment device | Chika Miyajima, Hiromasa Kato, Kotaro Yamada, Tomohiro Tsuji | 2024-10-08 |
| 12096954 | Endoscopic surgical tool | Hiromasa Kato | 2024-09-24 |
| 10994346 | Indexable drilling tool | — | 2021-05-04 |
| 10512973 | Cutting tool replacement member and cutting tool body | Ryuichi Saji | 2019-12-24 |
| 9724769 | Cutting insert and indexable rotary cutting tool | Takahiro Aso | 2017-08-08 |
| 6797184 | Catalyst for treating waste water, method for preparing the same and process for treating waste water | Kuninori Miyazaki, Takaaki Hashimoto, Tohru Ishii | 2004-09-28 |
| 6730215 | Apparatus for treating waste water | Tohru Ishii, Kiichiro Mitsui | 2004-05-04 |
| 6423236 | Method for treating waste water | Junichi Miyake | 2002-07-23 |
| 6123323 | Gas-liquid dispersion devices provided with partitioning members, gas-liquid contact apparatus, and wastewater treatment systems provided with the same | Yukihiro Yoneda, Shigeharu Yoneshima, Mikihiko Kanda | 2000-09-26 |
| 5770093 | Catalyst for treatment of waste water, method for production thereof and method for treatment of waste water therewith | Tohru Ishii, Kiichiro Mitsui | 1998-06-23 |
| 5620610 | Catalyst for treating wastewater, process for producing it, and process for treating wastewater with the catalyst | Tohru Ishii, Kiichiro Mitsui, Kunio Sano, Keniti Shishida | 1997-04-15 |
| 5534148 | Process for treating photographic waste solution | Seiji Suzuki, Kiyotaka Hori, Kiichiro Mitsui | 1996-07-09 |
| 5399541 | Catalyst for treating wastewater | Tohru Ishii, Kiichiro Mitsui, Kunio Sano, Keniti Shishida | 1995-03-21 |
| 5374599 | Catalyst for treating wastewater, process for producing it, and process for treating wastewater with the catalyst | Tohru Ishii, Kiichiro Mitsui, Kunio Sano, Keniti Shishida | 1994-12-20 |