Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12424390 | Electrolytic capacitor and method for producing same | Shinji Kondou, Takashi Kawasaki, Koji Yokoyama, Hitoshi Ishimoto, Yoshihisa Nagasaki +1 more | 2025-09-23 |
| 12125646 | Capacitor element and electrolytic capacitor | Shinji Kondou, Hitoshi Ishimoto, Yukihiro Shimasaki, Yuji Miyachi, Kohei Yamaguchi | 2024-10-22 |
| 12068487 | Cathode catalyst layer for fuel cell and fuel cell | Hiroaki Suzuki, Hitoshi Ishimoto | 2024-08-20 |
| 11923550 | Catalyst layer for fuel cell, and fuel cell | Takeshi Minamiura, Hitoshi Ishimoto, Shinichiro Imura, Yukihiro Shimasaki | 2024-03-05 |
| 11682770 | Catalyst layer for fuel cell, membrane electrode assembly, and fuel cell | Hitoshi Ishimoto, Shinichiro Imura, Takeshi Minamiura, Yukihiro Shimasaki, Kenichi Ezaki | 2023-06-20 |
| 11569519 | Membrane electrode assembly and fuel cell | Hitoshi Ishimoto, Motohiro Sakata | 2023-01-31 |
| 11145873 | Membrane electrode assembly and fuel cell comprising core-shell catalyst | Hitoshi Ishimoto, Motohiro Sakata | 2021-10-12 |
| 11011769 | Fuel cell catalyst layer, membrane electrode assembly, and fuel cell | Motohiro Sakata, Takeshi Minamiura, Shinichiro Imura, Hitoshi Ishimoto, Chiho NOBUMORI +2 more | 2021-05-18 |
| 10714761 | Catalyst layer for fuel cell, and fuel cell | Hitoshi Ishimoto, Masashi Shoji, Keiichi Kondou | 2020-07-14 |
| 10388966 | Electrode catalyst material, and fuel cell | Keiichi Kondou, Hitoshi Ishimoto | 2019-08-20 |
| 8126188 | Speaker and method of producing the same | Tomoyasu Takase, Mitsutaka Enomoto, Kazutaka Kubo, Masahide Sumiyama | 2012-02-28 |
| 8023685 | Electroacoustic transducer and electronic device using the same | Kazuki Honda, Takanori Fukuyama, Koji Sano, Hiroshi Yano, Takeshi Shimokawatoko +2 more | 2011-09-20 |
| 7877856 | Method of manufacturing a speaker | Takanori Fukuyama, Tomoyasu Takase, Koji Sano, Hiroshi Yano, Masanori Nakano +6 more | 2011-02-01 |
| 7634102 | Speaker and device using the same | Tomoyasu Takase, Mitsutaka Enomoto, Kazutaka Kubo, Takeshi Shimokawatoko, Masahide Sumiyama | 2009-12-15 |
| 7583812 | Electro-acoustic converter and electronic device using the same | Kazuki Honda, Koji Sano, Kazutaka Kubo, Masahide Sumiyama | 2009-09-01 |
| 7548632 | Speaker, module using the same, electronic equipment and device, and speaker producing method | Takanori Fukuyama, Tomoyasu Takase, Koji Sano, Hiroshi Yano, Masanori Nakano +6 more | 2009-06-16 |
| D577712 | Speaker | Satoshi Itoh, Koji Sano, Kazuki Honda | 2008-09-30 |
| 7362877 | Electric acoustic converter and electronic device using the same | Kazuki Honda, Koji Sano, Kazutaka Kubo, Hiroshi Yano, Takeshi Shimokawatoko +4 more | 2008-04-22 |
| D533163 | Speaker | Tomoyasu Takase, Kazutaka Kubo, Mitsutaka Enomoto | 2006-12-05 |
| 5889732 | Sounder | Takanori Fukuyama, Yoshinobu Sengiku, Mitsutaka Enomoto, Kazuhiro Yoshida | 1999-03-30 |