Issued Patents All Time
Showing 1–25 of 49 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6962819 | Method of measuring analyte using dry analytical element | — | 2005-11-08 |
| 6225130 | Method of separating serum from whole blood | Akemi Higo, Shigeru Tezuka | 2001-05-01 |
| 6220453 | Blood filter unit | Sigeru Tezuka, Yasuo Washizawa, Kenichiro Yazawa | 2001-04-24 |
| 6217540 | Blood filter cartridge | Kenichiro Yazawa, Keiichi Ishizaki, Takeshi Igarashi, Shigeru Tezuka, Takaki Arai +2 more | 2001-04-17 |
| 6170671 | Blood filter unit | Kenichiro Yazawa, Shigeru Tezuka, Fumio Sugaya, Akemi Higo, Kiyotaka Fujiwara | 2001-01-09 |
| 6045699 | Method of filtering blood | Kenichiro Yazawa, Fumio Sugaya | 2000-04-04 |
| 5996811 | Plasma collecting device | Akemi Higo | 1999-12-07 |
| 5979669 | Blood filter unit | Kenichiro Yazawa, Shigeru Tezuka, Fumio Sugaya, Akemi Higo, Kiyotaka Fujiwara | 1999-11-09 |
| 5876605 | Preparation of plasma or serum sample from whole blood | Kenichiro Yazawa | 1999-03-02 |
| 5569287 | Means for collecting and spotting small amount of blood | Shigeru Tezuka, Hikaru Tsuruta, Teruaki Koizumi | 1996-10-29 |
| 5460777 | Analytical element for whole blood analysis | Masashi Ogawa, Osamu Seshimoto | 1995-10-24 |
| 5443988 | Method for high speed analysis of a dry analytical element | — | 1995-08-22 |
| 5336468 | Pipette tip | Sigeru Tezuka, Nobuyyki Kita | 1994-08-09 |
| 5336599 | Method of measuring analyte using dry analytical element | — | 1994-08-09 |
| 5192693 | Method of using chemical analysis slide | Kenichiro Yazawa, Asaji Kondo | 1993-03-09 |
| 5122969 | Biochemical analysis apparatus, method for correcting the results of biochemical analyses, and correction value recording medium for the same | Osamu Seshimoto | 1992-06-16 |
| 4981805 | Method of using chemical analysis slide | Kenichiro Yazawa, Asaji Kondo | 1991-01-01 |
| 4884213 | Method for quantitative analysis of analyte in liquid sample using analytical element | Yuzo Iwata, Hajime Makiuchi | 1989-11-28 |
| 4877579 | Multilayer device for detecting bilurubin | Kenichiro Yazawa, Osamu Seshimoto, Asaji Kondo | 1989-10-31 |
| 4870005 | Multilayer analysis element | Yutaka Akiyoshi, Asaji Kondo | 1989-09-26 |
| 4783315 | Analysis material sheet | Fuminori Arai, Kenichiro Yazawa, Hideaki Takeuchi | 1988-11-08 |
| 4737344 | Liquid sample-spotting apparatus | Teruaki Koizumi, Takeshi Igarashi | 1988-04-12 |
| 4732849 | Multilayered chemical analysis material for analysis of aqueous liquids | Osamu Seshimoto | 1988-03-22 |
| 4647431 | Device for maintaining a constant temperature for chemical analysis | Takasi Sekine, Kenichiro Yazawa | 1987-03-03 |
| 4612290 | Method of bilirubin detection | Kenichiro Yazawa, Osamu Seshimoto, Asaji Kondo | 1986-09-16 |