Issued Patents All Time
Showing 1–25 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11820695 | Manufacturing method for preform of multi-core fiber and manufacturing method for multi-core fiber | Takuji Nagashima, Kimiaki Sato, Akira Kawai | 2023-11-21 |
| 9387641 | Solid-liquid separation device | Yusuke Tezuka, Yoshitaka Nakamura, Yuki Kadowaki, Hirokazu Kobayashi | 2016-07-12 |
| 6373708 | Contactless IC card | Kimiaki Ando, Takehiro Ohkawa | 2002-04-16 |
| 6070730 | Disk container | Motoyuki Narisawa, Timothy D. Schmidt, Dale Maenke, Michael C. Zabka | 2000-06-06 |
| 5999409 | Contactless IC card | Kimiaki Ando, Takehiro Ohkawa | 1999-12-07 |
| 5861713 | Low voltage electron beam display apparatus having brightness increased by reducing an oxide inevitably formed on a surface of an oxisulfide phosphor on manufacture | Yojiro Kondo, Toshihiko Ayusawa, Hidehito Mori, Osamu Yamasita, Masayuki Usui +6 more | 1999-01-19 |
| 5555321 | Image data binary coding method and apparatus | Hirokazu Ogura, Tadayoshi Kono | 1996-09-10 |
| 5534786 | Burn-in and test method of semiconductor wafers and burn-in boards for use in semiconductor wafer burn-in tests | Masayasu Katayama, Kiyoshi Kochi | 1996-07-09 |
| 5187490 | Stripline patch antenna with slot plate | Masahiko Ohta, Hiroyuki Iyama, Seizi Kado, Mitisuru Hirao, Hironori Ishizaka +2 more | 1993-02-16 |
| 4912259 | Pentadiene amino compound | Masahiko Yamaguchi, Michihiro Gonda, Kensaku Okano, Kazuyuki Wakasugi | 1990-03-27 |
| 4845327 | Microwave oven having automatic bread making function | Koji Iwabuchi, Masaharu Tawada, Noriyuki Kanagawa, Mituhiro Aoyama, Katsuhiro Yamazaki | 1989-07-04 |
| 4839915 | Inverter type X-ray apparatus | Takanobu Hatakeyama, Hirofumi Hino, Hideki Uemura, Kazuo Yamamoto | 1989-06-13 |
| 4794505 | A method of operating a power supply system including inverter stage | Hirofumi Hino, Hideki Uemura | 1988-12-27 |
| 4788362 | Liquid lubricant mixture composite | — | 1988-11-29 |
| 4768215 | X-ray generator with current measuring device | Hisakatsu Kiwaki, Kayo Shimada, Hiroshi Okubo, Takanobu Hatakeyama | 1988-08-30 |
| 4749973 | Waveguide filter used in a microwave oven | Kohji Iwabuchi, Akikazu Harada | 1988-06-07 |
| 4742535 | Inverter type X-ray apparatus | Hirofumi Hino, Hideki Uemura, Takanobu Hatakeyama, Kazuo Yamamoto | 1988-05-03 |
| 4737974 | Inverter type switching power supply with transformer and short circuit arrangement therefor | Hirofumi Hino, Masaji Ohtakeguchi, Norikazu Tokunaga | 1988-04-12 |
| 4694088 | Fluoran compounds | Susumu Suzuka, Michihiro Gonda, Mikiko Kanasugi | 1987-09-15 |
| 4539577 | Heat sensitive record material | Michihiro Gonda, Susumu Suzuka, Katsumasa Kitsukawa | 1985-09-03 |
| 4482905 | Heat sensitive record material | Toshio Obara, Michihiro Gonda, Katsumasa Kickawa, Mikiko Kanasugi | 1984-11-13 |
| 4367388 | Cooking heating apparatus | Masahiro Ishihara, Hajime Tachikawa | 1983-01-04 |
| 4364999 | Heat sensitive record sheet | Katsuichi Motohashi, Toshio Obara, Masahiko Yamaguchi | 1982-12-21 |
| 4277723 | Symmetrical magnetron with output means on center axis | — | 1981-07-07 |
| 4260424 | Method for preparing a pigment composition | Naoji Mizoguchi, Eiichi Takama | 1981-04-07 |