Issued Patents All Time
Showing 1–25 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11332125 | Parking assist device, vehicle, and parking assist method | Shota AKAURA, Yuya MATSUMOTO | 2022-05-17 |
| 10066992 | Photodetector output correction method used for spectroscopic analyzer | Yoshitake Ando, Katsumi Nishimura | 2018-09-04 |
| 8946563 | Module with exposed parts of copper foil and process for production thereof | Takafumi Kashiwagi, Nobuhiro Tada, Takayuki Hiruma | 2015-02-03 |
| 8014161 | Communication device and electronic apparatus using the same | Hiroki Iwamiya, Yuji Osumi | 2011-09-06 |
| 6914481 | High frequency power amplifier apparatus and power amplifier module use the same | Fumio Yasui, Hisayoshi Kato | 2005-07-05 |
| 6472952 | Antenna duplexer circuit with a phase shifter on the receive side | Kazuhiro Yahata, Michiaki Tsuneoka | 2002-10-29 |
| 6252658 | Particle size distribution measuring apparatus | Yoshiaki Togawa, Tatsuo Igushi, Toshiya Ito | 2001-06-26 |
| 6241923 | Process for the production of carbon fibers | — | 2001-06-05 |
| 6228343 | Method for producing isotropic pitch, activated carbon fibers and carbon materials for non-aqueous secondary battery anodes | Takahumi Yoshimura, Koichi Kanno, Yasuhiro Hirai, Nobuyuki Koike, Yuzuru Takahashi +4 more | 2001-05-08 |
| 6187964 | Method of producing phenol compound | Kazuo Tanaka, Yasuhiro Shoji, Takafumi Yoshimura, Masatoshi Yoshimura | 2001-02-13 |
| 5944980 | Method for producing isotropic pitch, activated carbon fibers and carbon materials for non-aqueous secondary battery anodes | Takahumi Yoshimura, Koichi Kanno, Yasuhiro Hirai, Nobuyuki Koike, Yuzuru Takahashi +4 more | 1999-08-31 |
| 5896926 | Packer type groundwater sampling system and water sampling method | Katsuhiro Hama, Toshihiro Seo, Koichi Yanagisawa, Katsushi Nakano, Hiroshi Mori +2 more | 1999-04-27 |
| 5319318 | Gain control circuit and semiconductor device | Taketo Kunihisa, Kazuhiro Yahata, Tadayoshi Nakatsuka, Hideki Yagita | 1994-06-07 |
| 5210504 | Semiconductor device for TV tuner and TV tuner using the same | Hideki Yagita, Tadayoshi Nakatsuka, Taketo Kunihisa, Michiaki Tsuneoka, Kazuhiro Yahata | 1993-05-11 |
| 5182010 | Mesophase pitch for use in the making of carbon materials | Isao Mochida, Hiroyuki Ohtsuka | 1993-01-26 |
| 4939114 | Silver-deposited catalyst for production of ethylene oxide | Naohiro Nojiri, Yoshiaki Saotome, Tomoatsu Iwakura | 1990-07-03 |
| 4891126 | Mesophase pitch for use in the making of carbon materials and process for producing the same | Isao Mochida, Hiroyuki Otsuka | 1990-01-02 |
| 4812437 | Silver-deposited catalyst for production of ethylene oxide | Naohiro Nojiri, Tomoatsu Iwakura | 1989-03-14 |
| 4806153 | Method and apparatus for investigating subsurface conditions | Katsuo Sakai, Tadahiko Muromachi | 1989-02-21 |
| 4789455 | Process for producing pitch used as starting material for the making of carbon materials | Isao Mochida, Susumu Fujiyama, Hiroyuki Otsuka | 1988-12-06 |
| 4786624 | Silver catalyst for production of ethylene oxide from ethylene | Naohiro Nojiri | 1988-11-22 |
| 4746749 | Process for producing silver oxalate | Naohiro Nojiri, Tomoatsu Iwakura | 1988-05-24 |
| 4697913 | Copying apparatus for synthesizing images | Yukimasa Kuramoto, Hajimu Oonishi, Yoshiki Hayashi, Robert C. Wells | 1987-10-06 |
| 4694089 | Process for preparing pyromellitic dianhydride | Tsuneo Kosaka | 1987-09-15 |
| 4690913 | Silver catalyst for production of ethylene oxide from ethylene and process for producing the catalyst | Naohiro Nojiri | 1987-09-01 |