KH

Keiji Hasegawa

CH Chuo Hatsujo: 5 patents #12 of 122Top 10%
Ricoh Company: 3 patents #4,826 of 9,818Top 50%
HI Hitachi: 3 patents #10,712 of 28,497Top 40%
NE Nec: 2 patents #5,510 of 14,502Top 40%
MC Mitsubishi Steel Mfg. Co.: 1 patents #53 of 145Top 40%
NP Nec Platforms: 1 patents #114 of 361Top 35%
RE Renesas Electronics: 1 patents #2,739 of 4,529Top 65%
EB Ebara: 1 patents #1,014 of 1,611Top 65%
SH Shimizu: 1 patents #15 of 53Top 30%
Overall (All Time): #244,181 of 4,157,543Top 6%
18
Patents All Time

Issued Patents All Time

Showing 1–18 of 18 patents

Patent #TitleCo-InventorsDate
12217222 Electronic receipt issuing apparatus, electronic receipt issuing method and non-transitory storage medium 2025-02-04
11966931 Information processing apparatus, information processing method, and storage medium 2024-04-23
10395228 Device connection system, portable terminal, device connection method, and device connection program 2019-08-27
9898068 Semiconductor device, electronic device, and method for controlling semiconductor device Go Sado, Masaki Fujigaya, Kohei Wakahara 2018-02-20
7006463 CDMA communication system and its transmission power control method Katsuhiko Tsunehara, Takashi Yano, Nobukazu Doi, Takaki Uta 2006-02-28
6852233 Metal-collecting apparatus and method for elution and recovery of metal from metal-collecting material Takanobu Sugo, Akio Katakai, Noriaki Seko, Shin Hasegawa, Kunio Fujiwara +8 more 2005-02-08
6836964 Method and apparatus for producing a helical spring Shinsuke Okura 2005-01-04
6779564 Method and apparatus for setting a helical compression spring Shinsuke Okura 2004-08-24
6648996 Method and apparatus for producing a helical spring 2003-11-18
6550301 Method for producing an inclined helical spring 2003-04-22
6483816 CDMA communication system and its transmission power control method Katsuhiko Tsunehara, Takashi Yano, Nobukazu Doi, Takaki Uta 2002-11-19
6375174 Curved helical compression spring Toshiyuki Imaizumi 2002-04-23
6307844 CDMA communication system and its transmission power control method Katsuhiko Tsunehara, Takashi Yano, Nobukazu Doi, Takaki Uta 2001-10-23
6092780 Low-bed type seismic isolator for display case Hiroshi Kurabayashi, Nobuyuki Sone, Akira Matsuda, Daisuke Yaguchi, Toshio Omi +5 more 2000-07-25
4911787 Method for concentrating black liquor with oxidizing followed by CO.sub.2 addition Akira Shimokura, Shuichi Nagato, Kazushige Tanae, Tokiya Yaguchi 1990-03-27
4459525 Motor speed control system 1984-07-10
4448555 Impact printing apparatus with interchangeable rotary type wheels 1984-05-15
4193071 Character display apparatus Yoshikuni Tatara 1980-03-11