Inventor

Takeshi Tokoro

Inventor

Chiba, JP

Overview

19→

Patents

1980–2009

Patent span

Physics

Primary field (CPC G)

Patents· 19 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

G04Bprimary

G04BMechanically-driven clocks or watches39%

G04CElectromechanical clocks or watches20%

Y10TTechnical subjects covered by former us classification7%

G01CMeasuring distances, levels or bearings5%

G04DApparatus or tools specially designed for making or maintaining clocks or watches5%

H01HElectric switches5%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests5%

B82YSpecific uses or applications of nanostructures2%

C08JWorking-up2%

G01BMeasuring length, thickness or similar linear dimensions2%

PatentTitleYear

7,609,588'Multifunctional clock capable of realizing plurality of movement layouts'2009 7,575,800'Sliding parts, precision parts and timepieces and electronic equipment using the same'2009 7,443,768'Multifunctional timepiece including plural types of hand operating train wheels'2008 7,269,101'Multifunction timepiece having fan shape moving hand mechanism including return spring and fan shape moving hand train wheel apparatus'2007 7,269,102'Multifunction timepiece having fan shape moving hand train wheel and fan shape moving hand train wheel apparatus'2007 7,215,602'Multifunction timepiece capable of constituting plural fan shape moving hand train wheel layouts'2007 7,170,827'Timepiece, having bearing portion formed of resin and wheel train'2007 7,167,420'Timepiece including base plate formed of resin and wheel train'2007 7,106,661'Calendar timepiece'2006 7,029,169'Chronograph timepiece having zeroing structure'2006 6,814,483'Self-winding timepiece having train wheel setting apparatus'2004 6,612,734'Mechanical timepiece with stud adjustment mechanism'2003 6,609,822'Rate adjusting method of mechanical timepieces'2003 6,554,468'Mechanical timepiece with timed annular balance rotating angle control mechanism'2003 6,548,771'Multipole attitude detector switch with liquid contact'2003 6,520,674'Mechanical timepiece with posture detector'2003 6,485,172'Self-winding watch'2002 6,431,746'Mechanical timepiece with timed annular balance rotating angle control mechanism'2002 4,194,152'Radio communication system'1980

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1980Patents assigned to TOKORO TAKESHI (1)· patent assignee history

1980Based in Fuchu, JP· patent location history

2002–2009Patents assigned to SEIKO INSTR INC (18)· patent assignee history

2002–2009Based in Chiba, JP· patent location history

2007–2009Based in Tokyo, JP· patent location history

2009Patents assigned to KITAGAWA IND CO LTD (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
SEIKO INSTR INC	18	2002–2009
KITAGAWA IND CO LTD	1	2009
TOKORO TAKESHIself	1	1980

Locations

Location	Patents	Span
Chiba, JP	15	2002–2009
Tokyo, JP	3	2007–2009
Fuchu, JP	1	1980