JA

Jun Asai

Canon: 16 patents #4,160 of 19,416Top 25%
Yamaha Motor: 2 patents #855 of 2,310Top 40%
FC Fuji Electric Co.: 1 patents #1,354 of 2,643Top 55%
HC Hitachi High-Tech Instuments Co.: 1 patents #31 of 77Top 45%
SC Sanyo Electric Co.: 1 patents #3,644 of 6,347Top 60%
Overall (All Time): #203,063 of 4,157,543Top 5%
21
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
12413152 Switching control circuit and power supply circuit Hiroaki Matsumoto 2025-09-09
10888041 Substrate working system and component mounter Kazushi Takama 2021-01-05
10201120 Component mounting apparatus Isao Takahira, Tomohiro Inoue, Hiroshi Ikeda 2019-02-05
7546678 Electronic component mounting apparatus Akira Aoki, Shigeru Kuribara, Akihiro Kawai 2009-06-16
6836638 Cleaning device and image forming apparatus provided with same Kazuhumi Muto, Koki Watanabe, Keizo Ogara 2004-12-28
6822767 Image processing method and image processing apparatus Ryuji Kawano, Yuji Kamiya 2004-11-23
6801747 Cleaning apparatus and image forming apparatus Keizo Ogara, Koki Watanabe 2004-10-05
6694122 Cleaning device and image forming apparatus provided with same Kazuhumi Muto, Koki Watanabe, Keizo Ogara 2004-02-17
6636719 Image forming apparatus with vibration-caused image defect prevention feature Tsuyoshi Kunishi, Keizo Ogara 2003-10-21
6542786 Apparatus and method for feeding electronic components Yoshinori Kano, Haruhiko Yamaguchi, Ikuo Takemura 2003-04-01
6538678 Image forming apparatus with development controller Takahiro Nakase, Yuji Kamiya 2003-03-25
6516161 Image forming apparatus with surface potential detector 2003-02-04
5438399 Image forming apparatus having transfer voltage control 1995-08-01
5406360 Image forming apparatus with contact transfer member 1995-04-11
5267005 Heater having stepped portion and heating apparatus using same Akira Yamamoto, Atsushi Hosoi, Kensaku Kusaka, Yoshiaki Kobayashi, Hidekazu Maruta +1 more 1993-11-30
5182604 Transfer roller with voltage polarity control 1993-01-26
5150165 Image forming apparatus having image transfer member 1992-09-22
4814886 Image processing process and apparatus therefor Tsukasa Kuge, Takahiro Inoue, Yasushi Sato, Akio Suzuki, Yoshihiro Murasawa +1 more 1989-03-21
4719489 Recording apparatus having material feed mode dependent fixing control Masaharu Ohkubo, Yasumasa Ohtsuka, Yoshihiro Murasawa 1988-01-12
4626096 Image forming apparatus for forming a visual image in accordance with image signals Yasumasa Ohtsuka, Yoshihiro Murasawa, Hiroshi Sasame, Masaharu Ohkubo 1986-12-02
4563694 Image information recording apparatus Masaharu Ohkubo, Yoshihiro Murasawa, Yasumasa Ohtsuka 1986-01-07