Issued Patents All Time
Showing 51–58 of 58 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4928509 | Method for manufacturing a pipe with projections | — | 1990-05-29 |
| 4882825 | Method of connecting a tubular member with an annular member | — | 1989-11-28 |
| 4868079 | Infrared-sensitive electrophotoconductive element comprising an anthanthrone, a phthalocyanine and an oxadiazole compound in admixture | Nguyen Khe, Midori Fukawatase, Kenji Takahashi | 1989-09-19 |
| 4859555 | Electrophotographic printing plate comprising disazo and perynone compounds, hole transport material and alkali soluble resin | Yoshihiro Nishio, Midori Fukawatase, Kenji Takahashi | 1989-08-22 |
| 4840053 | Method for manufacturing a pipe with projections | — | 1989-06-20 |
| 4827585 | Cam shaft manufacturing method and device used therein | — | 1989-05-09 |
| 4820241 | Tubular transmission shaft | — | 1989-04-11 |
| 4699862 | Electrophotoconductor | Nguyen Khe, Midori Fukawatase, Kenji Takahashi | 1987-10-13 |