Issued Patents All Time
Showing 1–25 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5719030 | Monoclonal antibody to prostate-derived acid phosphatase and method for determination of acid phosphatase using the same as well as kit for determination | Katsuhiro Katayama, Takahiro Tomiyama, Toshihide Miura, Takeshi Nagasawa | 1998-02-17 |
| 5508385 | Tripeptide derivatives containing pyroglutamic acid residue | Yoshihito Abe, Takeshi Nagasawa, Katsuhiro Yaginuma | 1996-04-16 |
| 5416238 | L-argininal acetal derivatives and a process for production thereof | Yoshihito Abe, Akio Hashimoto, Takeshi Nagasawa | 1995-05-16 |
| 5399488 | Method for assaying enzyme activity using N-acetyl-.beta.-D-glucosamine derivatives | Katsuhiro Katayama, Toshihide Miura, Takeshi Nagasawa | 1995-03-21 |
| 5227291 | Method for determination of acid phosphatase activity using 4-acyl-2, 6-dihalophenyl phosphoric acid derivatives | Katsuhiro Katayama, Toshihide Miura, Takeshi Nagasawa | 1993-07-13 |
| 5153176 | Tripeptide derivatives and protease inhibitor composition comprising the same | Yoshihito Abe, Takeshi Nagasawa, Katsuhiro Yaginuma | 1992-10-06 |
| 5151372 | Method for determination of hydroxyacetophenone derivatives | Katsuhiro Katayama, Toshihide Miura, Takeshi Nagasawa | 1992-09-29 |
| 5116941 | Peptide substrates for determination of enzyme activity | Shuichi Nakatsuyama, Yoshio Nakamura, Takeshi Nagasawa | 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 | Hitoshi Matsuura, Katsuhiro Katayama, Shuichi Nakatsuyama, Takeshi Nagasawa, Koji Endo | 1992-05-19 |
| 5081274 | 4-acyl-2,6-dihalophenyl-phosphoric acid derivatives useful in the determination of acid phosphatase activity | Katsuhiro Katayama, Toshihide Miura, Takeshi Nagasawa | 1992-01-14 |
| 5063152 | Synthetic peptidic substrate for determination of trypsin and .alpha..sub.1 | Takeshi Nagasawa, Yuko Gemba, Yoshio Nakamura | 1991-11-05 |
| 4894438 | Synthetic peptidic substrate for determination of trypsin and .alpha..sub.1 | Takeshi Nagasawa, Yuko Gemba, Yoshio Nakamura | 1990-01-16 |
| 4883863 | Tripeptide derivatives and antiplasmin agents containing the same | Yoshihito Abe, Katsuhiro Yaginuma, Takeshi Nagasawa | 1989-11-28 |
| 4861713 | Novel method for determining cholinesterase activity | Katsuhiro Katayama, Takeshi Nagasawa | 1989-08-29 |
| 4816562 | Novel substrate for plasma kallikrein and a method for measuring biological components using the same | Takeshi Nagasawa, Yoshio Nakamura, Kenji Tani | 1989-03-28 |
| 4717659 | Novel method for determining cholinesterase activity | Katsuhiro Katayama, Katsuyuki Takabayashi, Takeshi Nagasawa | 1988-01-05 |
| 4650753 | Novel substrates for use in measuring the concentration of kallikrein in urine | Takeshi Nagasawa, Yoshio Nakamura | 1987-03-17 |
| 4622389 | Novel substrate for determining the activity of blood coagulation factor Xa (Stuart-Prower factor) | Takeshi Nagasawa, Yoshio Nakamura, Tsuyoshi Enomoto | 1986-11-11 |
| 4605614 | Method for measuring plasmin | Takeshi Nagasawa, Katsuyuki Takabayashi, Yoshio Nakamura | 1986-08-12 |
| 4584398 | Arginyl-3-carboxy-4-hydroxyanilide | Shuichi Nakatsuyama, Takeshi Nagasawa | 1986-04-22 |
| 4564695 | Process for producing arginyl-p-nitroanilide | Shuichi Nakatsuyama, Takeshi Nagasawa | 1986-01-14 |
| 4520100 | Method for measuring thrombin | Takeshi Nagasawa, Katsuyuki Takabayashi | 1985-05-28 |
| 4452736 | Substrates for measuring plasmin | Takeshi Nagasawa, Katsuyuki Takabayashi, Yoshio Nakamura | 1984-06-05 |
| 4450105 | Substrates for measuring thrombin | Takeshi Nagasawa, Katsuyuki Takabayashi | 1984-05-22 |
| 4336331 | Method for assaying the activity of .gamma.-glutamyl transpeptidase in serum | Takeshi Nagasawa, Katsuyuki Takabayashi, Norimasa Takizawa, Kazuyo Hagihara, Tadami Akatsuka | 1982-06-22 |