Issued Patents All Time
Showing 1–25 of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11084155 | Hydraulic striking device | — | 2021-08-10 |
| 11072977 | Two-piston hydraulic striking device | Masahiro Koizumi | 2021-07-27 |
| 11034010 | Hydraulic hammering device | Tsutomu Kaneko, Masahiro Koizumi | 2021-06-15 |
| 10493610 | Hydraulic hammering device | Masahiro Koizumi, Susumu Murakami, Tomohiro Goto, Shunsuke Echigoya | 2019-12-03 |
| 10150209 | Hydraulic hammering device | Tsutomu Kaneko | 2018-12-11 |
| 7362785 | Semiconductor laser apparatus and production method thereof | Naoki Kohara, Nobuyuki Iwamoto, Akira Takamori | 2008-04-22 |
| 7075960 | Semiconductor laser apparatus and production method thereof | Naoki Kohara, Nobuyuki Iwamoto, Akira Takamori | 2006-07-11 |
| 5344665 | Production of frozen surimi | Tatsuo Kanayama, Toshitaka Nakashima, Kunihiko Tomiyasu | 1994-09-06 |
| 5274321 | Battery charger | — | 1993-12-28 |
| 5234948 | Optically active alkylenedioxybenzene derivatives and their use in therapy | Heitaro Iwata, Akemichi Baba, Mitsuo Egawa, Akihiro Tobe, Kenichi Saito | 1993-08-10 |
| 5219855 | Anxiolytic drug | Ken Saito, Akihiro Tobe, Heitaro Iwata, Akemichi Baba | 1993-06-15 |
| 5168099 | Optically active alkylenedioxybenzene derivatives and their use in therapy | Heitaro Iwata, Akemichi Baba, Mitsuo Egawa, Akihiro Tobe, Kenichi Saito | 1992-12-01 |
| 5137746 | Production of frozen surimi | Tatsuo Kanayama, Toshitaka Nakashima, Kunihiko Tomiyasu | 1992-08-11 |
| 4965644 | Pure green light emitting diodes and method of manufacturing the same | Toshiharu Kawabata, Susumu Koike, Hitoo Iwasa | 1990-10-23 |
| 4936761 | Vane backpressure providing apparatus for sliding vane type compressor | Takahiro Hasegaki | 1990-06-26 |
| 4671829 | Manufacturing green light emitting diodes | Toshiharu Kawabata, Susumu Koike, Hitoo Iwasa | 1987-06-09 |
| 4592892 | Aqueous sterilizing agent for foods or food processing machines and utensils | Ryuzo Ueno, Tatsuo Kanayama, Munemitsu Yamamoto, Ryoichi Hitotsuya | 1986-06-03 |
| 4444796 | Method for production of pet foods | Ryuzo Ueno, Shigeo Inamine, Tatsuo Kanayama, Yatsuka Fujita | 1984-04-24 |
| 4410547 | Sorbic acid-containing powder or granules | Ryuzo Ueno, Shigeo Inamine | 1983-10-18 |
| 4399150 | Sorbic acid-containing powder or granules | Ryuzo Ueno, Shigeo Inamine | 1983-08-16 |
| 4356203 | Process for producing cured meat products having antibotulinal activity | Ryuzo Ueno, Tatsuo Kanayama, Kunihiko Tomiyasu, Yatsuka Fujita, Kiyoshi Nagata | 1982-10-26 |
| 4342547 | Rotary vane compressor with valve control of oil to bias the vanes | Kaichi Yamada, Yoshiyuki Morikawa, Katuharu Fujio, Koichi Yoshihiro, Tatsuhisa Taguchi | 1982-08-03 |
| 4342789 | Process for inhibiting growth of Clostridium botulinum and formation of nitrosamines in meat | Ryuzo Ueno, Shigeo Inamine, Tatsuo Kanayama, Yatsuka Fujita | 1982-08-03 |
| 4320153 | Method for producing refrigerated ground flesh of fish of high elasticity | Ryuzo Ueno, Tatsuo Kanayama, Kunihiko Tomiyasu, Shigeo Inamine | 1982-03-16 |
| 4308281 | Sorbic acid-containing powder or granules | Ryuzo Ueno, Shigeo Inamine | 1981-12-29 |