Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12420344 | Base material for hard sintered body, hard sintered body, and cutting tool | Masayuki KOSHIYAMA, Koji Fukata, Yoichi Hamada | 2025-09-23 |
| 11821264 | Drilling tip and drill bit | Yuichiro Takeuchi, Wardoyo AKHMADI EKO | 2023-11-21 |
| 11193335 | Polycrystalline diamond sintered material tool excellent in interfacial bonding strength and method of producing same | Wardoyo AKHMADI EKO, Minoru Akaishi | 2021-12-07 |
| 11060610 | Multistage shaft sealing apparatus and rotary machine | Takanobu Otani, Hiroshi Kuzumi, Hiroyuki Tokumasu, Yasuhiro Ikeda, Hitoshi Ito +2 more | 2021-07-13 |
| 10900293 | Drilling tip, drilling tool, and method of manufacturing drilling tip | Wardoyo AKHMADI EKO, Masahiro Yano, Yuki AKAHOSHI, Yuichiro Takeuchi | 2021-01-26 |
| 10538971 | Drill bit insert and drill bit | Wardoyo AKHMADI EKO, Chihiro SAKURAZAWA | 2020-01-21 |
| 10465448 | Drill bit insert and drill bit | Wardoyo AKHMADI EKO, Chihiro SAKURAZAWA | 2019-11-05 |
| 10399153 | Rotary cutting tool including polycrystalline diamond material | Wardoyo AKHMADI EKO, Chihiro SAKURAZAWA, Tadakazu Ohashi | 2019-09-03 |
| 10352104 | Drill bit button insert and drill bit | Wardoyo AKHMADI EKO, Chihiro SAKURAZAWA | 2019-07-16 |
| 10311984 | Shaft sealing structure and reactor coolant pump | Kentarou Saeki, Hidekazu Uehara, Akihiko Umeda, Masaru Sakai, Hiroshi Kuzumi +7 more | 2019-06-04 |
| 10039861 | Method for producing artificial retina | Tetsuya Uchida | 2018-08-07 |
| 9944489 | Recording medium processing apparatus | Kiichiro ARIKAWA, Shiro Suzuki, Tsutomu Shiihara, Hiromitsu TOMIOKA, Mitsuyuki Ishida +2 more | 2018-04-17 |
| 8125451 | Operation panel and image formation apparatus or electronic equipment using the operation panel | Shinya Kogoh, Ko Takeuchi, Toshhimitsu Kobayashi | 2012-02-28 |
| 7732425 | Pharmaceutical composition for ophthalmic use | Masashi Kurimoto, Hiroshi Yamauchi | 2010-06-08 |
| 7276670 | Image forming apparatus | Toshimitsu Kobayashi, Ko Takeuchi, Shinya Kogoh | 2007-10-02 |
| 7268769 | Operation panel and image formation apparatus or electronic equipment using the operation panel | Shinya Kogoh, Ko Takeuchi, Toshimitsu Kobayashi | 2007-09-11 |
| 7101533 | Agent for inducing receptor potential | Yasufumi Dan-Oh, Sadaharu Suga | 2006-09-05 |
| 6555526 | Pharmaceutical composition for ophthalmic use | Masashi Kurimoto, Hiroshi Yamauchi | 2003-04-29 |
| D450343 | Copying machine | William T Clark, III | 2001-11-13 |
| D436832 | Opening and closing handle of a cover | Hiroshi Nakada, William T Clark, III | 2001-01-30 |
| 5191497 | Magnetic disk pack and magnetic disk recording/reproducing apparatus with improved head touch | Hitoshi Saito, Yasuo Nagashima, Takashi Matsumoto | 1993-03-02 |
| 5179505 | Ejector for memory card | — | 1993-01-12 |