RH

Ryoji Handa

Mitsubishi Electric: 8 patents #3,714 of 25,717Top 15%
AC Ando Electric Co.: 4 patents #39 of 301Top 15%
DC Diafloc Co.: 4 patents #1 of 16Top 7%
NC Nitto Chemical Industry Co.: 3 patents #39 of 179Top 25%
NK Nitto Kagaku Kogyo Kabushiki Kaisha: 2 patents #11 of 43Top 30%
NT NTT: 1 patents #2,911 of 4,871Top 60%
Overall (All Time): #429,239 of 4,157,543Top 15%
12
Patents All Time

Issued Patents All Time

Showing 1–12 of 12 patents

Patent #TitleCo-InventorsDate
5408310 Optical time domain reflectometer having shortened dead zone Masaaki Furuhashi 1995-04-18
5315677 Optical pulse generator Masaaki Furahashi 1994-05-24
5309455 High-power light pulse generating apparatus Shoji Adachi, Nobuaki Takeuchi 1994-05-03
5233619 High power light pulse generator Masaaki Furuhashi 1993-08-03
5166003 Plated articles Hisayoshi Makinae, Katsuo Ushizako, Hideyuki Fujii 1992-11-24
4983660 Polyethylene terephthalate resin composition Tomohiko Yoshida, Noriyuki Tajiri, Hitochi Iwasaki, Mituto Yoshihiro 1991-01-08
4607958 Apparatus for stirring hydrogel particles of water-soluble polymer Iwao Ohshima, Takeshi Narita, Jun Hosoda 1986-08-26
4535131 Process for producing partially hydrolyzed acrylamide polymer Jun Hosoda, Norimasa Yoshida 1985-08-13
4455411 Process for preparing acrylamide polymers Jun Hosoda, Kenzo Ariyama, Osamu Okushima, Nobuo Kurashige 1984-06-19
4313863 Modification of acrylamide polymers Norimasa Yoshida, Jun Hosoda, Akihisa Furuno 1982-02-02
4306045 Process for producing acrylamide polymers Norimasa Yoshida, Yasuo Ogawa, Jun Hosoda, Nobuo Kurashige, Akihisa Furuno 1981-12-15
4306048 Method for preparing acrylamide polymers Norimasa Yoshida, Yasuo Ogawa, Susumu Seki, Jun Hosoda, Nobuo Kurashige +1 more 1981-12-15