Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7285486 | Ball transferring method and apparatus | Eiji Hashino, Kohei Tatsumi | 2007-10-23 |
| 7045388 | Semiconductor device provided with low melting point metal bumps | Kohei Tatsumi, Eiji Hashino | 2006-05-16 |
| 7045389 | Method for fabricating a semiconductor devices provided with low melting point metal bumps | Kohei Tatsumi, Eiji Hashino | 2006-05-16 |
| 6916731 | Ball transferring method and apparatus | Eiji Hashino, Kohei Tatsumi | 2005-07-12 |
| 6909182 | Spherical semiconductor device and method for fabricating the same | Kohei Tatsumi, Eiji Hashino, Nobuo Takeda, Atsuyuki Fukano | 2005-06-21 |
| 6884708 | Method of partially plating substrate for electronic devices | Kohei Tatsumi, Eiji Hashino | 2005-04-26 |
| 6571007 | Ball-arranging substrate for forming bump, ball-arranging head, ball-arranging device, and ball-arranging method | Eiji Hashino, Kohei Tatsumi | 2003-05-27 |
| 6509645 | Spherical semiconductor device and method for fabricating the same | Kohei Tatsumi, Eiji Hashino, Nobuo Takeda, Atsuyuki Fukano | 2003-01-21 |
| 5899376 | Transfer of flux onto electrodes and production of bumps on electrodes | Kouhei Tatumi, Eiji Hashino | 1999-05-04 |
| 5765744 | Production of small metal bumps | Kouhei Tatumi, Eiji Hashino | 1998-06-16 |
| 5702793 | Magneto-optical recording medium, disk and method of manufacturing the same | Hitoshi Dohnomae, Toshio Mukai, Kengo Shimanoe | 1997-12-30 |
| 5576458 | Process for preparing organic carboxylic acid | Takeshi Minami, Kazuhiko Hamato, Yoshimi Shiroto | 1996-11-19 |
| 5501913 | Garnet polycrystalline film for magneto-optical recording medium | Norikazu Kawamura | 1996-03-26 |
| 5364963 | Supported rhodium catalyst, method of preparing same and process of producing acetic acid by methanol carbonylation using same | Takeshi Minami, Kazuhiko Hamato, Yoshimi Shiroto, Noriyuki Yoneda | 1994-11-15 |
| 4992622 | Method of separating 2,6-diisopropylnaphthalene from a mixture containing diisopropylnaphthalene isomers | Yoshimi Shiroto, Mitsunori Shimura, Yoshio Fukui, Yakudo Tachibana, Kazuhiko Tate +1 more | 1991-02-12 |
| 4950824 | Process for the production of 2,6-diisopropylnaphthalene | Yoshimi Shiroto, Mitsunori Shimura, Yoshio Fukui, Sachio Asaoka, Hiroto Tajima +4 more | 1990-08-21 |
| 4440631 | Process for hydrocracking heavy hydrocarbon oils and catalyst therefor | Osamu Togari, Masatoshi Matsuda, Toshiji Makabe | 1984-04-03 |
| 4285333 | Solar energy collecting system | Yasuo Tanaka, Muneshige Nagatomo | 1981-08-25 |