Issued Patents All Time
Showing 1–25 of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6268166 | Method of quantitative assay for 1,5-anhydroglucitol | Ryo Kojima, Yoshiro Sato | 2001-07-31 |
| 5869276 | Method for determination of direct bilirubin and reagent therefor | Ryo Kojima, Yoshikiyo Sasagawa, Yasunori Okazaki | 1999-02-09 |
| 5719030 | Monoclonal antibody to prostate-derived acid phosphatase and method for determination of acid phosphatase using the same as well as kit for determination | Katsumasa Kuroiwa, Katsuhiro Katayama, Takahiro Tomiyama, Toshihide Miura | 1998-02-17 |
| 5508385 | Tripeptide derivatives containing pyroglutamic acid residue | Yoshihito Abe, Katsumasa Kuroiwa, Katsuhiro Yaginuma | 1996-04-16 |
| 5486458 | Method of quantitative assay for 1,5-anhydroglucitol | Ryo Kojima, Yoshiro Sato | 1996-01-23 |
| 5468621 | Method of quantitative assay for 1,5-anhydroglucitol | Ryo Kojima, Yoshiro Sato | 1995-11-21 |
| 5416238 | L-argininal acetal derivatives and a process for production thereof | Yoshihito Abe, Akio Hashimoto, Katsumasa Kuroiwa | 1995-05-16 |
| 5399488 | Method for assaying enzyme activity using N-acetyl-.beta.-D-glucosamine derivatives | Katsumasa Kuroiwa, Katsuhiro Katayama, Toshihide Miura | 1995-03-21 |
| 5227291 | Method for determination of acid phosphatase activity using 4-acyl-2, 6-dihalophenyl phosphoric acid derivatives | Katsumasa Kuroiwa, Katsuhiro Katayama, Toshihide Miura | 1993-07-13 |
| 5153176 | Tripeptide derivatives and protease inhibitor composition comprising the same | Yoshihito Abe, Katsumasa Kuroiwa, Katsuhiro Yaginuma | 1992-10-06 |
| 5151372 | Method for determination of hydroxyacetophenone derivatives | Katsumasa Kuroiwa, Katsuhiro Katayama, Toshihide Miura | 1992-09-29 |
| 5126329 | Glucosamine derivatives and compositions reagents and containing the same | Kenji Tani, Yoshio Nakamura | 1992-06-30 |
| 5116941 | Peptide substrates for determination of enzyme activity | Shuichi Nakatsuyama, Yoshio Nakamura, Katsumasa Kuroiwa | 1992-05-26 |
| 5115099 | Substrates for determination of enzyme activity and intermediates for synthesis of the substrates as well as process for producing the intermediates | Katsumasa Kuroiwa, Hitoshi Matsuura, Katsuhiro Katayama, Shuichi Nakatsuyama, Koji Endo | 1992-05-19 |
| 5081274 | 4-acyl-2,6-dihalophenyl-phosphoric acid derivatives useful in the determination of acid phosphatase activity | Katsumasa Kuroiwa, Katsuhiro Katayama, Toshihide Miura | 1992-01-14 |
| 5063152 | Synthetic peptidic substrate for determination of trypsin and .alpha..sub.1 | Yuko Gemba, Yoshio Nakamura, Katsumasa Kuroiwa | 1991-11-05 |
| 4983756 | Novel choline derivative and method for detemining serum cholinesterase activity using the same | Katsumasa Kuriowa, Katsuhiro Katayama | 1991-01-08 |
| 4894438 | Synthetic peptidic substrate for determination of trypsin and .alpha..sub.1 | Yuko Gemba, Yoshio Nakamura, Katsumasa Kuroiwa | 1990-01-16 |
| 4883863 | Tripeptide derivatives and antiplasmin agents containing the same | Yoshihito Abe, Katsuhiro Yaginuma, Katsumasa Kuroiwa | 1989-11-28 |
| 4861713 | Novel method for determining cholinesterase activity | Katsumasa Kuroiwa, Katsuhiro Katayama | 1989-08-29 |
| 4816562 | Novel substrate for plasma kallikrein and a method for measuring biological components using the same | Yoshio Nakamura, Kenji Tani, Katsumasa Kuroiwa | 1989-03-28 |
| 4717659 | Novel method for determining cholinesterase activity | Katsumasa Kuroiwa, Katsuhiro Katayama, Katsuyuki Takabayashi | 1988-01-05 |
| 4650753 | Novel substrates for use in measuring the concentration of kallikrein in urine | Yoshio Nakamura, Katsumasa Kuroiwa | 1987-03-17 |
| 4622389 | Novel substrate for determining the activity of blood coagulation factor Xa (Stuart-Prower factor) | Yoshio Nakamura, Tsuyoshi Enomoto, Katsumasa Kuroiwa | 1986-11-11 |
| 4605614 | Method for measuring plasmin | Katsumasa Kuroiwa, Katsuyuki Takabayashi, Yoshio Nakamura | 1986-08-12 |