MN

Masahiro Nakajima

SI Seiko Instruments: 24 patents #52 of 1,437Top 4%
Mitsubishi Electric: 8 patents #3,714 of 25,717Top 15%
Pioneer Electronic: 8 patents #194 of 1,840Top 15%
PV Pioneer Video: 6 patents #5 of 139Top 4%
PE Pentax: 6 patents #247 of 761Top 35%
NE Nec: 5 patents #2,830 of 14,502Top 20%
Ricoh Company: 5 patents #3,664 of 9,818Top 40%
TK Topy Kogyo Kabushiki Kaisha: 4 patents #11 of 189Top 6%
Honda Motor Co.: 3 patents #6,619 of 21,052Top 35%
JC Japan Vilene Company: 3 patents #18 of 154Top 15%
AK Asahi Kogaku Kogyo K.K.: 3 patents #38 of 180Top 25%
Fujitsu Limited: 3 patents #8,614 of 24,456Top 40%
SC Seikoh Giken Co.: 2 patents #26 of 69Top 40%
IH Ihi: 2 patents #401 of 1,178Top 35%
Sumitomo Electric Industries: 2 patents #9,741 of 21,551Top 50%
NT NTT: 1 patents #2,911 of 4,871Top 60%
CH Chisso: 1 patents #468 of 833Top 60%
DC Dainippon Screen Mfg. Co.: 1 patents #531 of 977Top 55%
KT Kabushiki Kaisha Toshiba: 1 patents #13,537 of 21,451Top 65%
NC Nippon Electric Co.: 1 patents #251 of 792Top 35%
AC Asahi Glass Co.: 1 patents #1,233 of 2,251Top 55%
Pioneer: 1 patents #1,107 of 1,730Top 65%
SC Sumitomo Mitsui Construction Co.: 1 patents #7 of 16Top 45%
Tdk: 1 patents #2,493 of 3,796Top 70%
TO Toshiba: 1 patents #1,121 of 2,688Top 45%
TI Topy Industries: 1 patents #7 of 33Top 25%
Overall (All Time): #17,516 of 4,157,543Top 1%
91
Patents All Time

Issued Patents All Time

Showing 1–25 of 91 patents

Patent #TitleCo-InventorsDate
12345293 Thrust foil bearing Tsutomu Iida, Seiichiro Yoshinaga, Shigekazu AOYAMA, Naomichi Omori 2025-07-01
12182528 Computer-readable recording medium storing information searching program, information searching method, and information searching apparatus Syohei Oshio, Naohiro Kishishita, Shigenori Inoue, Daiki Hanawa 2024-12-31
12032570 Computer-readable recording medium storing information generating program, information generating method, and information generating apparatus Syohei Oshio, Naohiro Kishishita, Shigenori Inoue, Daiki Hanawa 2024-07-09
11087915 Electronic component and manufacturing method thereof Kenichi HIRENZAKI, Makoto Endo, Masanori Suzuki, Tomonaga Nishikawa 2021-08-10
11038449 Vehicle generator control device Kensuke Kitamura, Katsuyuki Sumimoto 2021-06-15
10924045 Power generation control system, power generation control device, and external control device Keisuke Katsurada, Junya Sasaki 2021-02-16
10804828 Generator controller Norifumi Uno, Keisuke Katsurada, Junya Sasaki 2020-10-13
10541830 Serial communication system Katsuyuki Sumimoto 2020-01-21
10465374 Frame structure and method of constructing frame structure Kazuhito SUGAYA, Hiroshi Shinjo, Kouichi Hasuo, Junji Sako 2019-11-05
10462268 Data transmitting/receiving apparatus and data transmitting/receiving method Takayuki Yanai, Tomoki Yamamoto, Ryo Miyashita 2019-10-29
10461677 Vehicle-power-generator control apparatus and control method thereof Junya Sasaki, Katsuyuki Sumimoto 2019-10-29
10294886 Water jacket structure of cylinder head Yoshiki Matsushiro, Koji Nakano 2019-05-21
10184370 Oil separation device for internal combustion engine Mayuka Odo, Kazuhiro Aoki 2019-01-22
10141876 Power generator system, power generator control device, and power-generation balance control method for power generator system Junya Sasaki, Keisuke Katsurada, Katsuyuki Sumimoto 2018-11-27
10067475 Timepiece Takashi Niwa, Takuma Kawauchiya 2018-09-04
9817369 Mechanical component, mechanical component manufacturing method, movement, and timepiece Sachiko Tanabe, Takashi Niwa 2017-11-14
9753433 Mechanical component, movement, and timepiece Sachiko Tanabe, Takashi Niwa 2017-09-05
9678477 Mechanical component, mechanical component manufacturing method, movement, and timepiece Sachiko Tanabe, Takashi Niwa 2017-06-13
9665069 Electric generator device, timepiece movement, and timepiece Yoshiki Hamatani, Takashi Niwa, Miei Konishi, Toru Ozaki 2017-05-30
9640275 One-time memory control apparatus Katsuyuki Sumimoto, Junya Sasaki, Akio Kamimurai, Keisuke Katsurada 2017-05-02
9568887 Operation stabilizing mechanism, movement, and mechanical timepiece Takuma Kawauchiya, Takashi Niwa, Masayuki Koda 2017-02-14
9235193 Temperature compensation-type balance, timepiece movement, mechanical timepiece and manufacturing method of temperature compensation-type balance Takashi Niwa, Takuma Kawauchiya, Hisashi Fujieda, Manabu Shinke 2016-01-12
9188956 Balance, timepiece movement, timepiece and manufacturing method of balance Takashi Niwa, Takuma Kawauchiya 2015-11-17
9164486 Operation stabilization mechanism, movement, and mechanical timepiece Takuma Kawauchiya, Takashi Niwa, Masayuki Koda 2015-10-20
9128465 Balance with hairspring, movement, and timepiece Takuma Kawauchiya, Takashi Niwa 2015-09-08