Issued Patents All Time
Showing 1–25 of 25 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5830285 | Fine graphite uniform dispersion steel excellent in cold machinability, cuttability and hardenability, and production method for the same | Toshimi Tarui, Masahiro Toda, Ken Naito | 1998-11-03 |
| 5591759 | Aqueous isothiazolone formulation | Yosuke Ito, Yoichi Sano, Katsuji Tsuji | 1997-01-07 |
| 5366661 | Method for forming a stabilized aqueous dispersion of inorganic particles or organic particles for food stuffs | Atsushi Tsuda, Kenzi Hanno | 1994-11-22 |
| 5306725 | Stabilized isothiazolone liquid formulation | Yoichi Sano, Katsuji Tsuji | 1994-04-26 |
| 5274079 | Protein partial degradation products that are useful as surface active agents and dispersing agents | Atsushi Tsuda, Kenzi Hanno | 1993-12-28 |
| 5273773 | Protein partial degradation products | Atsushi Tsuda, Kenzi Hanno | 1993-12-28 |
| 5259985 | Calcium carbonate scale inhibitor having organophosphonate, water soluble acrylic or maleic copolymer and citric acid | Keisho Nakanishi, Masatsune Okuma | 1993-11-09 |
| 5169563 | Water treatment agent and water treatment method for a boiler | Sadaoki Kanada, Kazuo Marugame, Hiroshi Asai | 1992-12-08 |
| 5138038 | Protein partial degradation product, process for preparing it and its use | Atsushi Tsuda, Kenzi Hanno | 1992-08-11 |
| 5123934 | Ceramics coated cemented-carbide tool with high-fracture resistance | Masayuki Hashimura, Hiroto Imamura, Tetsuo Sawashima | 1992-06-23 |
| 5026723 | Microbicidal/microbiostatic composition for industrial use | Yosuke Ito, Hidenori Hirashima | 1991-06-25 |
| 5013747 | Water-soluble antiseptic or antifungal composition | Yosuke Ito, Yasuhiro Nomura | 1991-05-07 |
| 4963586 | Microbicidal/microbistatic composition | Yosuke Ito, Hidenori Hirashima | 1990-10-16 |
| 4885136 | Method of anticorrosive treatment for soft water boilers | Hirohiko Katayama, Toshihiko Mukai, Yoshinari Kawasaki | 1989-12-05 |
| 4866081 | Microbicidal preservative composition | Yosuke Ito, Yasuhiro Nomura | 1989-09-12 |
| 4839373 | Quaternary ammonium and benzothiazole microbicidal preservative composition | Yosuke Ito, Yasuhiro Nomura | 1989-06-13 |
| 4814406 | Scale inhibitor | Tadahiko Asano, Masatsune Okuma, Keisyo Nakanishi | 1989-03-21 |
| 4719079 | Continuous-cast low-carbon resulfurized free-cutting steel | Tatsuya Imai, Norio Onodera, Yasushi Ishibashi | 1988-01-12 |
| 4647577 | Microbicidal/microbistatic compositions for industrial use employing 4,5-dichloro-1,2-dithiol-3-one and haloacetic acid esters as the active agents | Osamu Umekawa | 1987-03-03 |
| 4518610 | Microbicidal/microbistatic compositions and use thereof employing mixtures of 4,5-dichloro-1,2-dithiol-3-one and alkylenebisthiocyanate | Osamu Umekawa | 1985-05-21 |
| 4512552 | Corrosion inhibitor | Tadahiko Asano, Kazuo Marugame, Sadaoki Kanada, Yoshinari Kawasaki | 1985-04-23 |
| 4466975 | Microbicidal/microbistatic compositions for industrial use | Masato Magami, Toshio Sato, Osamu Umekawa | 1984-08-21 |
| 4409353 | Easily dispersible composition for water soluble polymer | Osamu Umekawa, Yosuke Ito | 1983-10-11 |
| 4334957 | Microbicidal compositions for industrial use | Osamu Umekawa | 1982-06-15 |
| 4289581 | Microbicidal slimicide compositions for industrial use | Osamu Umekawa | 1981-09-15 |